KEYLESS UNIT INSPECTION

BME091401097203

1. Measure the voltage at the keyless unit terminals (other than terminal L) as indicated below.

• If not as specified, inspect the parts listed under "Action."

2. Disconnect the negative battery cable.

3. Disconnect the keyless unit connector (L.H.D.) /short cord connector (R.H.D.) and inspect for continuity between terminal L and the bracket.

4. Inspect for continuity at terminal L as indicated below.

5. If the parts and wiring harnesses are okay but the system still does not work properly, perform the troubleshooting.

Terminal Voltage Table (Reference)

L.H.D.

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

A
IG1
METER 10 A fuse
Ignition switch is at ON position
B+
• Inspect METER 10 A fuse
• Inspect related harness
Ignition switch is at LOCK or ACC position
Below 1.0
B
Power supply
ROOM 15 A fuse
Under any condition
B+
• Inspect ROOM 15 A fuse
• Inspect related harness
C
• Door open/closed
• Liftgate open/closed
Door switch
Any door or liftgate is open (any door switch or cargo compartment light switch is on)
Below 1.0
• Inspect door switches
• Inspect cargo compartment light switch
• Inspect related harness
All door and liftgate are closed (door switches and cargo compartment light switch are off)
B+
D
-
-
-
-
-
E
-
-
-
-
-
F
-
-
-
-
-
G
-
-
-
-
-
H
Hazard
Flasher unit
Transmitter LOCK button is pressed
B+→Below 1.0→B+
• Inspect flasher unit
• Inspect related harness
Transmitter UNLOCK button is pressed
B+→Below 1.0→B+→Below 1.0→B+
No transmitter buttons are pressed
B+
I
-
-
-
-
-
J
-
-
-
-
-
K
-
-
-
-
-
L
Ground
GND
Inspect for continuity to ground under any condition
Yes
-
M
-
-
-
-
-
N
-
-
-
-
-
O
Lock/unlock output
Door lock timer unit
Transmitter LOCK button is pressed
B+→6→B+
• Inspect door lock timer unit
• Inspect related harness
5→2.5→5*
Transmitter UNLOCK button is pressed
B+→Below 1.0→B+
5→Below 1.0→5*
No transmitter buttons are pressed
B+

5*

P
-
-
-
-
-

* :
Vehicles with double locking system or theft-deterrent system

R.H.D.

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

A
IG1
METER 10 A fuse
Ignition switch is at ON position
B+
• Inspect METER 10 A fuse
• Inspect related harness
Ignition switch is at LOCK or ACC position
Below 1.0
B
Power supply
ROOM 15 A fuse
Under any condition
B+
• Inspect ROOM 15 A fuse
• Inspect related harness
C
• Door open/closed
• Liftgate open/closed
Door switch
Any door or liftgate is open (any door switch or cargo compartment light switch is on)
Below 1.0
• Inspect door switches
• Inspect cargo compartment light switch
• Inspect related harness
All door and liftgate are closed (door switches and cargo compartment light switch are off)
B+
D
Hazard
Flasher unit
Transmitter LOCK button is pressed
B+→Below 1.0→B+*1
• Inspect flasher unit
• Inspect theft-deterrent control module
• Inspect related harness
Transmitter UNLOCK button is pressed
B+→Below 1.0→B+→Below 1.0→B+*1
No transmitter buttons are pressed
B+*1
E*2
Horn
Horn relay
Transmitter LOCK button is pressed twice within 5 seconds
B+→Below 1.0→B+
• Inspect horn relay
• Inspect related harness
No transmitter buttons are pressed
B+
F
Lock/unlock output
Door lock timer unit
Transmitter LOCK button is pressed
B+→6→B+
• Inspect door lock timer unit
• Inspect related harness
5→2.5→5*3
Transmitter UNLOCK button is pressed
B+→Below 1.0→B+
5→Below 1.0→5*3
No transmitter buttons are pressed
B+

5*3

G
-
-
-
-
-
H
-
-
-
-
-
I*4
Theft-deterrent alarm control
Theft-deterrent control module
Under any condition (with theft-deterrent control module)
5
• Inspect theft-deterrent control module
• Inspect related harness
Under any condition (without theft-deterrent control module)
0
K
-
-
-
-
-
L
Ground
GND
Inspect for continuity to ground under any condition
Yes
-

*1 :
Except vehicles with theft-deterrent system
*2 :
Australian specs. only
*3 :
Vehicles with double locking system or theft-deterrent system
*4 :
Vehicles with theft-deterrent system