SECURITY AND LOCKS > Door Lock Control System

1. SYMPTOM CHART

Symptom	Repair order	Reference
The door lock control system does not operate.	1. Remove the following fuses and inspect visually. • No. 3 (in fuse & relay box) • No. 7 (in fuse & relay box) • No. 8 (in main fuse box)	If the fuse is blown out, replace the fuse with a new part. When there is no defective with the fuse, check the power supply and ground circuit.
	2. Check the power supply and ground circuit for body integrated unit.
	3. Check the door lock switch and the circuit.
	4. Check the rear gate opener button and the circuit.
	5. Check the key warning switch and the circuit. (model with double lock)
	6. Check the ignition circuit. (model with double lock)
	7. Check the door switch and the circuit. (model with double lock)
	8. Check the door key switch and the circuit. (model with double lock)
	9. Check the door lock actuator and the circuit.	• Model without double lock, without keyless access • Model with double lock, without keyless access • Model without double lock, with keyless access • Model with double lock, with keyless access
A specific door lock actuator does not operate.	1. Check the function setting.
A specific door lock actuator does not operate.	2. Check the door lock actuator and the circuit.	• Model without double lock, without keyless access • Model with double lock, without keyless access • Model without double lock, with keyless access • Model with double lock, with keyless access

2. CHECK POWER SUPPLY AND GROUND CIRCUIT

STEP	CHECK	YES	NO
1.CHECK POWER SUPPLY. 1) Disconnect the connector of body integrated unit. 2) Measure the voltage between body integrated unit connector and chassis ground. Connector & terminal (i84) No. 34 (+) — Chassis ground (−): (B280) No. 6 (+) — Chassis ground (−): (B281) No. 2 (+) — Chassis ground (−):	Is the voltage 10 V or more?		Check the harness for open or short circuit between body integrated unit and fuse.
2.CHECK GROUND CIRCUIT. Measure the resistance between body integrated unit connector and chassis ground. Connector & terminal (i84) No. 28 — Chassis ground: (B280) No. 17 — Chassis ground: (B281) No. 20 — Chassis ground: (B279) No. 27 — Chassis ground:	Is the resistance less than 10 Ω?	The power supply and ground circuit are OK.	Repair or replace the harness.

3. CHECK DOOR LOCK SWITCH

STEP	CHECK	YES	NO
1.CHECK DOOR LOCK SWITCH. 1) Prepare the Subaru Select Monitor kit. 2) Turn the ignition switch to ON (engine OFF) and run the “PC application for Subaru Select Monitor”. 3) On «System Selection Menu» display, select {Integ. unit mode}. 4) Select the {Current Data Display & Save}. 5) Select the {Manual lock SW input}.	Is the display change to OFF ⇔ ON, when the door lock switch is moved to LOCK?
2.CHECK DOOR LOCK SWITCH. From the condition in step 1), operate the door lock switch in the UNLOCK direction.	Does the display switch between OFF ⇔ ON?	The door lock switch is OK.
3.CHECK POWER WINDOW MAIN SWITCH. 1) Disconnect the power window main switch connector. 2) Check the continuity when the power window switch is operated to the LOCK direction. Connector & terminal (D102) No. 2 — (D102) No. 3:	Did the indicator change from “No continuity” (1 MΩ or more) to “Continuity exists” (less than 10 Ω)?		Replace the power window main switch.
4.CHECK POWER WINDOW MAIN SWITCH. Check the continuity when the power window switch is operated to the UNLOCK direction. Connector & terminal (D102) No. 1 — (D102) No. 3:	Did the indicator change from “No continuity” (1 MΩ or more) to “Continuity exists” (less than 10 Ω)?		Replace the power window main switch.
5.CHECK HARNESS. Measure the resistance of power window main switch connector and chassis ground. Connector & terminal (D102) No. 3 — Chassis ground:	Is the resistance 10 Ω or more?		Repair or replace the harness.
6.CHECK HARNESS. 1) Disconnect the connector of body integrated unit. 2) Measure the resistance between body integrated unit connector and power window switch connector. Connector & terminal (D102) No. 2 — (i84) No. 15: (D102) No. 1 — (i84) No. 29:	Is harness normal?	Replace the body integrated unit.	Repair or replace the harness.

4. CHECK REAR GATE OPENER BUTTON CIRCUIT

STEP	CHECK	YES	NO
1.CHECK REAR GATE OPENER BUTTON. 1) Prepare the Subaru Select Monitor kit. 2) Turn the ignition switch to ON (engine OFF) and run the “PC application for Subaru Select Monitor”. 3) On «System Selection Menu» display, select {Integ. unit mode}. 4) Select the {Current Data Display & Save}. 5) Select the {R}.	Is the display change to OFF ⇔ ON, when the rear gate opener button is operated?	Rear gate opener button is normal.
2.CHECK HARNESS. 1) Disconnect the body integrated unit connector and rear gate opener button connector. 2) Measure the resistance between the body integrated unit connector and rear gate opener button connector. Connector & terminal Model without keyless access (B281) No. 24 — (D47) No. 2: Model with keyless access (B281) No. 24 — (D99) No. 1:	Is harness normal?		Repair or replace the harness.
3.CHECK HARNESS. Measure the resistance between the rear gate opener button connector and chassis ground. Connector & terminal Model without keyless access (D47) No. 1 — Chassis ground: Model with keyless access (D99) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
4.CHECK REAR GATE OPENER BUTTON. Measure the resistance between button terminals both when the rear gate opener button is pressed and when not pressed. Connector & terminal Model without keyless access (D47) No. 2 — (D47) No. 1: Model with keyless access (D99) No. 1 — (D99) No. 2:	Is the resistance when the switch is pressed less than 10 Ω, and 1 MΩ or more when released?	Replace the body integrated unit.	Replace the rear gate opener button.

5. CHECK IGNITION SWITCH CIRCUIT

STEP	CHECK	YES	NO
1.CHECK IGNITION SWITCH INPUT. 1) Prepare the Subaru Select Monitor. 2) Turn the ignition switch to ON (engine OFF) and run the “PC application for Subaru Select Monitor”. 3) On «System Selection Menu» display, select {Integ. unit mode}. 4) Select the {Current Data Display & Save}. 5) Select the {BATT voltage (control)} and {IG power supply voltage}.	Is the voltage 0 V when the ignition switch is OFF, 10 V or more when ON?	Ignition switch is normal.
2.CHECK HARNESS. 1) Turn the ignition switch to ON. 2) Measure the voltage between body integrated unit connector and chassis ground. Connector & terminal (B280) No. 1 (+) — Chassis ground (−):	Is the voltage 10 V or more?	Replace the body integrated unit.	Repair or replace the harness, fuse and ignition switch.

6. CHECK DOOR KEY SWITCH (ONLY FOR DRIVER’S SEAT OF MODEL WITH DOUBLE LOCK)

STEP	CHECK	YES	NO
1.CHECK DOOR KEY SWITCH. 1) Prepare the Subaru Select Monitor kit. 2) Turn the ignition switch to ON (engine OFF) and run the “PC application for Subaru Select Monitor”. 3) On «System Selection Menu» display, select {Integ. unit mode}. 4) Select the {Current Data Display & Save}. 5) Select the {Door key-lock SW input}.	Does the display switch between OFF ⇔ ON when the door key switch is moved to LOCK?
2.CHECK DOOR KEY SWITCH. From the condition in step 1), select the {Door unlock SW input}.	Does the display change to OFF ⇔ ON, when the door key switch is moved to UNLOCK?	The door key switch is OK.
3.CHECK HARNESS. 1) Disconnect the connector of body integrated unit. 2) Disconnect the driver’s door lock actuator connector. 3) Measure the resistance between body integrated unit connector and door lock actuator connector. Connector & terminal Lock (i84) No. 17 — (D82) No. 2: Unlock (i84) No. 30 — (D82) No. 1:	Is harness normal?		Repair or replace the harness.
4.CHECK HARNESS. Measure the resistance between the door lock actuator connector and chassis ground. Connector & terminal (D120) No. 3 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
5.CHECK DOOR KEY SWITCH. Check the continuity between door key switch connector and door lock actuator connector when the door key cylinder is operated to the LOCK direction. Connector & terminal (D82) No. 2 — (D102) No. 3:	Did the indicator change from “No continuity” (1 MΩ or more) to “Continuity exists” (less than 10 Ω)?		Replace the door latch and door lock actuator assembly.
6.CHECK DOOR KEY SWITCH. Check the continuity between door key switch connector and door lock actuator connector when the door key cylinder is operated to the UNLOCK direction. Connector & terminal (D82) No. 1 — (D102) No. 3:	Did the indicator change from “No continuity” (1 MΩ or more) to “Continuity exists” (less than 10 Ω)?	Replace the body integrated unit.	Replace the door latch and door lock actuator assembly.

7. CHECK DOOR LOCK ACTUATOR AND CIRCUIT (MODEL WITHOUT DOUBLE LOCK, WITHOUT KEYLESS ACCESS)

STEP	CHECK	YES	NO
1.CHECK HARNESS (DOOR LOCK). 1) Disconnect the body integrated unit connector and each door lock actuator connector. 2) Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 7 — (D72) No. 1: Front door RH (i84) No. 7 — (D18) No. 1: Rear door LH (i84) No. 7 — (D26) No. 1: Rear door RH (i84) No. 7 — (D32) No. 1:	Is harness normal?		Repair or replace the harness.
2.CHECK HARNESS (DOOR UNLOCK). Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal RHD front door LH (i84) No. 8 — (D72) No. 2: RHD front door RH (i84) No. 23 — (D18) No. 2: LHD front door LH (i84) No. 23 — (D72) No. 2: LHD front door RH (i84) No. 8 — (D18) No. 2: Rear door LH (i84) No. 8 — (D26) No. 2: Rear door RH (i84) No. 8 — (D32) No. 2:	Is harness normal?		Repair or replace the harness.
3.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between body integrated unit connector and rear gate lock actuator connector. Connector & terminal (i84) No. 22 — (D46) No. 1:	Is harness normal?		Repair or replace the harness.
4.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between the rear gate lock actuator connector and chassis ground. Connector & terminal (D46) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
5.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. 1) Connect the body integrated unit connector. 2) Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 7 (+) — (i84) No. 23 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
6.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 23 (+) — (i84) No. 7 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
7.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between body integrated unit connector and chassis ground when moving the rear gate opener button. Connector & terminal (i84) No. 22 (+) — Chassis ground (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
8.CHECK DOOR LOCK ACTUATOR. Check the door lock actuator. • Front door lock actuator • Rear door lock actuator	Is the door lock actuator OK?		Replace the door latch and door lock actuator assembly.
9.CHECK REAR GATE LOCK ACTUATOR. Check the rear gate lock actuator.	Is the rear gate lock actuator normal?	Check the connection status of the harness and connector that may have a temporary poor contact.	Replace the rear gate latch and actuator assembly.

8. CHECK DOOR LOCK ACTUATOR AND CIRCUIT (MODEL WITH DOUBLE LOCK, WITHOUT KEYLESS ACCESS)

STEP	CHECK	YES	NO
1.CHECK HARNESS (DOOR LOCK). 1) Disconnect the body integrated unit connector and each door lock actuator connector. 2) Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 7 — (D121) No. 2: Front door RH (i84) No. 23 — (D120) No. 5: Rear door LH (i84) No. 7 — (D123) No. 2: Rear door RH (i84) No. 7 — (D122) No. 5:	Is harness normal?		Repair or replace the harness.
2.CHECK HARNESS (DOOR UNLOCK). Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 8 — (D121) No. 6: Front door RH (i84) No. 8 — (D120) No. 1: Rear door LH (i84) No. 8 — (D123) No. 6: Rear door RH (i84) No. 8 — (D122) No. 1:	Is harness normal?		Repair or replace the harness.
3.CHECK HARNESS (DOUBLE LOCK). Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 35 — (D121) No. 1: Front door RH (i84) No. 35 — (D120) No. 6: Rear door LH (i84) No. 35 — (D123) No. 1: Rear door RH (i84) No. 35 — (D122) No. 6:	Is harness normal?		Repair or replace the harness.
4.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between body integrated unit connector and rear gate lock actuator connector. Connector & terminal (i84) No. 22 — (D46) No. 1:	Is harness normal?		Repair or replace the harness.
5.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between the rear gate lock actuator connector and chassis ground. Connector & terminal (D46) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
6.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. 1) Connect the body integrated unit connector. 2) Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 7 (+) — (i84) No. 35 (−): (i84) No. 23 (+) — (i84) No. 8 (−): (i84) No. 23 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
7.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 8 (+) — (i84) No. 23 (−): (i84) No. 8 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
8.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. 1) Close all the doors and rear gate. 2) Measure the voltage between the terminals of the body integrated unit when moving the door key switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 23 (+) — (i84) No. 8 (−): (i84) No. 35 (+) — (i84) No. 8 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
9.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door key switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 8 (+) — (i84) No. 23 (−): (i84) No. 8 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
10.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between body integrated unit connector and chassis ground when moving the rear gate opener button. Connector & terminal (i84) No. 22 (+) — Chassis ground (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
11.CHECK DOOR LOCK ACTUATOR. Check the door lock actuator. • Front door lock actuator • Rear door lock actuator	Is the door lock actuator OK?		Replace the door latch and door lock actuator assembly.
12.CHECK REAR GATE LOCK ACTUATOR. Check the rear gate lock actuator.	Is the rear gate lock actuator normal?	Check the connection status of the harness and connector that may have a temporary poor contact.	Replace the rear gate latch and actuator assembly.

9. CHECK DOOR LOCK ACTUATOR AND CIRCUIT (MODEL WITHOUT DOUBLE LOCK, WITH KEYLESS ACCESS)

STEP	CHECK	YES	NO
1.CHECK HARNESS (DOOR LOCK). 1) Disconnect the body integrated unit connector and each door lock actuator connector. 2) Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 7 — (D72) No. 1: Front door RH (i84) No. 7 — (D18) No. 1: Rear door LH (i84) No. 7 — (D26) No. 1: Rear door RH (i84) No. 7 — (D32) No. 1:	Is harness normal?		Repair or replace the harness.
2.CHECK HARNESS (DOOR UNLOCK). Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 23 — (D72) No. 2: Front door RH (i84) No. 35 — (D18) No. 2: Rear door LH (i84) No. 8 — (D26) No. 2: Rear door RH (i84) No. 8 — (D32) No. 2:	Is harness normal?		Repair or replace the harness.
3.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between body integrated unit connector and rear gate lock actuator connector. Connector & terminal (i84) No. 22 — (D46) No. 1:	Is harness normal?		Repair or replace the harness.
4.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between the rear gate lock actuator connector and chassis ground. Connector & terminal (D46) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
5.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. 1) Connect the body integrated unit connector. 2) Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 7 (+) — (i84) No. 23 (−): (i84) No. 7 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
6.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 23 (+) — (i84) No. 7 (−): (i84) No. 35 (+) — (i84) No. 7 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
7.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between body integrated unit connector and chassis ground when moving the rear gate opener button. Connector & terminal (i84) No. 22 (+) — Chassis ground (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
8.CHECK DOOR LOCK ACTUATOR. Check the door lock actuator. • Front door lock actuator • Rear door lock actuator	Is the door lock actuator OK?		Replace the door latch and door lock actuator assembly.
9.CHECK REAR GATE LOCK ACTUATOR. Check the rear gate lock actuator.	Is the rear gate lock actuator normal?	Check the connection status of the harness and connector that may have a temporary poor contact.	Replace the rear gate latch and actuator assembly.

10. CHECK DOOR LOCK ACTUATOR AND CIRCUIT (MODEL WITH DOUBLE LOCK, WITH KEYLESS ACCESS)

STEP	CHECK	YES	NO
1.CHECK HARNESS (DOOR LOCK). 1) Disconnect the body integrated unit connector and each door lock actuator connector. 2) Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 35 — (D121) No. 2: Front door RH (i84) No. 23 — (D120) No. 5: Rear door LH (i84) No. 7 — (D123) No. 2: Rear door RH (i84) No. 7 — (D122) No. 5:	Is harness normal?		Repair or replace the harness.
2.CHECK HARNESS (DOOR UNLOCK). Measure the resistance between body integrated unit connector and each door lock actuator connector. Connector & terminal Front door LH (i84) No. 8 — (D121) No. 6: Front door RH (i84) No. 8 — (D120) No. 1: Rear door LH (i84) No. 8 — (D123) No. 6: Rear door RH (i84) No. 8 — (D122) No. 1:	Is harness normal?		Repair or replace the harness.
3.CHECK HARNESS (DOUBLE LOCK). Measure the resistance between the body integrated unit connector and double lock relay. Connector & terminal (B279) No. 14 — (B463) No. 3:	Is harness normal?		Repair or replace the harness.
4.CHECK HARNESS (DOUBLE LOCK). Measure the resistance between double lock relay and chassis ground. Connector & terminal (B463) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
5.CHECK HARNESS (DOUBLE LOCK). Measure the resistance between double lock relay and each door lock actuator connector. Connector & terminal Front door RH (B463) No. 5 — (D120) No. 6: Front door LH (B463) No. 5 — (D121) No. 1: Rear door RH (B463) No. 5 — (D122) No. 6: Rear door LH (B463) No. 5 — (D123) No. 1:	Is harness normal?		Repair or replace the harness.
6.CHECK HARNESS (DOUBLE LOCK). Measure the voltage between double lock relay terminals. Connector & terminal (B463) No. 1 (+) — Chassis ground (−): (B463) No. 4 (+) — Chassis ground (−):	Is the voltage 10 V or more?		Repair or replace the harness.
7.CHECK DOUBLE LOCK RELAY. Check the double lock relay.	Is the measured value normal?		Replace the double lock relay.
8.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between body integrated unit connector and rear gate lock actuator connector. Connector & terminal (i84) No. 22 — (D46) No. 1:	Is the resistance less than 10 Ω?		Repair or replace the harness.
9.CHECK HARNESS (REAR GATE UNLOCK). Measure the resistance between the rear gate lock actuator connector and chassis ground. Connector & terminal (D46) No. 2 — Chassis ground:	Is the resistance less than 10 Ω?		Repair or replace the harness.
10.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 23 (+) — (i84) No. 8 (−): (i84) No. 35 (+) — (i84) No. 8 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
11.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door lock switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 8 (+) — (i84) No. 23 (−): (i84) No. 8 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
12.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. 1) Close all the doors and rear gate. 2) Measure the voltage between the terminals of the body integrated unit when moving the door key switch to LOCK direction. Connector & terminal (i84) No. 7 (+) — (i84) No. 8 (−): (i84) No. 23 (+) — (i84) No. 8 (−): (i84) No. 35 (+) — (i84) No. 8 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)		Replace the body integrated unit.
13.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the connector of the body integrated unit and chassis ground when moving the door key switch to LOCK direction. Connector & terminal (i84) No. 17 (+) — Chassis ground (−):	Does the voltage change to 10 V or more → less than 1.5 V? (while lock output)		Replace the body integrated unit.
14.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between the terminals of the body integrated unit when moving the door key switch to UNLOCK direction. Connector & terminal (i84) No. 8 (+) — (i84) No. 7 (−): (i84) No. 8 (+) — (i84) No. 23 (−): (i84) No. 8 (+) — (i84) No. 35 (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
15.CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL. Measure the voltage between body integrated unit connector and chassis ground when moving the rear gate opener button. Connector & terminal (i84) No. 22 (+) — Chassis ground (−):	Does the voltage change from less than 1.5 V → 10 V or more? (During unlock output)		Replace the body integrated unit.
16.CHECK DOOR LOCK ACTUATOR. Check the door lock actuator. • Front door lock actuator • Rear door lock actuator	Is the door lock actuator OK?		Replace the door latch and door lock actuator assembly.
17.CHECK REAR GATE LOCK ACTUATOR. Check the rear gate lock actuator.	Is the rear gate lock actuator normal?	Check the connection status of the harness and connector that may have a temporary poor contact.	Replace the rear gate latch and actuator assembly.