SECURITY AND LOCKS > Front Door Latch and Door Lock Actuator Assembly

INSPECTION

1. DOOR LATCH

1. Check the cable of the rod, door opener and door lock for deformation. When it is deformed, straighten it because failure operations may occur. When it is unrepairable, replace the front door latch and door lock actuator assembly.

2. Check the lever, rod and wire for smooth operation.

2. LOCK ACTUATOR (MODELS WITHOUT DOUBLE LOCK)

1. Disconnect the door lock actuator connector.

2. Connect the battery to door lock actuator terminals.

Actuator operation

Terminals

No. 1

No. 2

Lock → Unlock

−

+

Unlock → Lock

+

−

If defective, replace the front door latch and door lock actuator assembly.

3. LOCK ACTUATOR (MODELS WITH DOUBLE LOCK)

1. Disconnect the door lock actuator connector.

2. Connect the battery to door lock actuator terminals.

• RH

Actuator operation

Terminals

No. 1

No. 5

No. 6

Lock → Unlock

+

−

−

Unlock → Lock

−

+

−

Double lock → Double lock unlock

+

−

−

Double lock unlock → Double lock

−

+

+

• LH

Actuator operation

Terminals

No. 1

No. 2

No. 6

Lock → Unlock

−

−

+

Unlock → Lock

−

+

−

Double lock → Double lock unlock

−

−

+

Double lock unlock → Double lock

+

+

−

If defective, replace the front door latch and door lock actuator assembly.

4. CHECK STATUS SWITCH (MODEL WITH KEYLESS ACCESS)

1. Disconnect the front door latch connector.

2. Connect a tester to the front door latch status switch terminal.

3. Switch the front door actuator to LOCK or UNLOCK.

4. Check for continuity using a tester.

• RH

Specifications

Condition

Continuity

Model without double lock

Lock

(No. 1 ⇔ No. 3)

Continuity does not exist

Unlock

(No. 1 ⇔ No. 3)

Continuity exists

Model with double lock

Lock

(No. 2 ⇔ No. 3)

Continuity does not exist

Unlock

(No. 2 ⇔ No. 3)

Continuity exists

• LH

Specifications

Condition

Continuity

Model without double lock

Lock

(No. 4 ⇔ No. 6)

Continuity does not exist

Unlock

(No. 4 ⇔ No. 6)

Continuity exists

Model with double lock

Lock

(No. 4 ⇔ No. 5)

Continuity does not exist

Unlock

(No. 4 ⇔ No. 5)

Continuity exists

If defective, replace the front door latch and door lock actuator assembly.

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

1. Disconnect the door lock actuator connector.

2. Connect the tester to the terminal of the door key switch.

3. Change to Lock or Unlock using the key cylinder.

4. Check for continuity using a tester.

• Door key switch (D82)

• Door lock actuator (D120)

Condition

Terminals

Continuity

Lock

D82 No. 1 ⇔ D120 No. 3

Continuity does not exist

D82 No. 2 ⇔ D120 No. 3

Continuity exists

Unlock

D82 No. 1 ⇔ D120 No. 3

Continuity exists

D82 No. 2 ⇔ D120 No. 3

Continuity does not exist

If defective, replace the front door latch and door lock actuator assembly.