DOOR LOCK TIMER UNIT INSPECTION


id091400830200

1. Measure the voltage at each terminal (other than terminals 1E and 2W).

• If not as specified, inspect the parts listed under "Inspection item (s)".

2. Disconnect the negative battery cable.

3. Inspect for continuity at terminals 1E and 2W as indicated below.

4. Disconnect the door lock timer unit connector and inspect for continuity between terminals 1E or 2W and the bracket.

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

Terminal voltage table (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Inspection item (s)

1A
Power supply
DOOR LOCK 30 A fuse
Under any condition
B+
• DOOR LOCK 30 A fuse
• Vehicle battery
• Related wiring harness
1B
Room light control
Map light
Any door is open.
Below 1.0
• ROOM
15 A fuse
• Door switch
• Map light
• Related wiring harness
1C
Unlock output
• Door lock actuator
• Liftgate lock actuator
While lock actuator is unlocking.
Below 1.0→B+→Below 1.0
• Door lock actuator
• Liftgate lock actuator
• DOOR LOCK 30 A fuse
• Related wiring harness
Other
Below 1.0
1D
Lock output
• Door lock actuator
• Liftgate lock actuator
While lock actuator is locking.
Below 1.0→B+→Below 1.0
• Door lock actuator
• Liftgate lock actuator
• DOOR LOCK 30 A fuse
• Related wiring harness
Other
Below 1.0
1E
Power ground
GND
Under any condition: inspect for continuity to ground.
Yes
• GND
1F
-
-
-
-
-
2A
Power supply
ROOM 15 A fuse
Under any condition
B+
• ROOM
15 A fuse
• Related wiring harness
2B
IG1
METER 10 A fuse
Ignition switch is at ON position.
B+
• METER 10 A fuse
• Related wiring harness
Ignition switch is at LOCK or ACC position.
Below 1.0
2C
-
-
-
-
-
2D
-
-
-
-
-
2E
-
-
-
-
-
2F
Key reminder switch
Key reminder switch
Key reminder switch at on.
B+
• Key reminder switch
• Related wiring harness
Other
Below 1.0
2G
-
-
-
-
-
2H
-
-
-
-
-
2I
Hazard
Flasher unit
Transmitter LOCK button is pressed.
B+→Below
1.0→B+
• Flasher unit
• Related wiring harness
Transmitter UNLOCK button is pressed.
B+→Below 1.0→B+→Below 1.0→B+
No transmitter buttons are pressed.
B+
2J
-
-
-
-
-
2K
• Door open/closed
• Liftgate open/closed
• Door switch
• Cargo compartment light switch
• Any door is open. (any door switch is on.): inspect for continuity to ground.
• Liftgate is open. (cargo compartment light switch is on.): inspect for continuity to ground.
Yes
• Door switches
• Cargo compartment light switch
• Related wiring harness
• All door are closed. (door switches are off.): inspect for continuity to ground.
• Liftgate are closed. (cargo compartment light switch are off.): inspect for continuity to ground.
No
2L
-
-
-
-
-
2N
-
-
-
-
-
2M
-
-
-
-
-
2O
-
-
-
-
-
2P
-
-
-
-
-
2Q
Lock input
Door lock-link switch
Driver's side door is locked: inspect for continuity to ground.
Yes
• Door lock-link switch
• Related wiring harness
Driver's side door is unlocked: inspect for continuity to ground.
No
2R
Unlock input
Door lock-link switch
Driver's side door is locked: inspect for continuity to ground.
No
• Door lock-link switch
• Related wiring harness
Driver's side door is unlocked: inspect for continuity to ground.
Yes
2S
-
-
-
-
-
2T
-
-
-
-
-
2U
-
-
-
-
-
2V
-
-
-
-
-
2W
Signal ground
GND
Under any condition: inspect for continuity to ground.
Yes
• GND
2X
-
-
-
-
-