DOOR LOCK TIMER UNIT INSPECTION


id091400830200

1. Measure the voltage at the door lock timer unit terminals (other than terminal 1E and 2W) as indicated below.

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

2. Disconnect the negative battery cable.

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

4. Inspect for continuity at terminal 1E and 2W 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 list (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

1A
Power supply
D. LOCK 30 A fuse
Under any condition
B+
• Inspect D. LOCK 30 A fuse
• Inspect the vehicle battery
• Inspect related harness
1B
Room light control
• Front map light
• Rear map light
• Courtesy light
Any door is open
Below 1.0
• Inspect ROOM
15 A fuse
• Inspect door switch
• Inspect front map light
• Inspect rear map light
• Inspect courtesy light
• Inspect related harness
1C
Unlock output
• Door lock actuator
• Trunk lid lock actuator (4SD)
• Liftgate lock actuator
(5HB, WGN)
While lock actuator is unlocking
Below 1.0→B+→Below 1.0
• Inspect door lock actuator
• Inspect trunk lid lock actuator (4SD)
• Inspect liftgate lock actuator (5HB, WGN)
• Inspect D. LOCK 30 A fuse
• Inspect related harness
Other
Below 1.0
1D
Lock output
• Door lock actuator
• Trunk lid lock actuator (4SD)
• Liftgate lock actuator
(5HB, WGN)
While lock actuator is locking
Below 1.0→B+→Below 1.0
• Inspect door lock actuator
• Inspect trunk lid lock actuator (4SD)
• Inspect liftgate lock actuator (5HB, WGN)
• Inspect D. LOCK 30 A fuse
• Inspect related harness
Other
Below 1.0
1E
Power ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
1F*1
Double lock output
Door lock actuator
Door lock actuators are double locked
Below 1.0→B+→Below 1.0
• Inspect door lock actuator
• Inspect related harness
Other
Below 1.0
2A
Power supply
ROOM 15 A fuse
Under any condition
B+
• Inspect ROOM
15 A fuse
• Inspect related harness
2B
IG1
METER IG 15 A fuse
Ignition switch is at ON position
B+
• Inspect METER IG 15 A fuse
• Inspect related 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+
• Inspect key reminder switch
• Inspect related harness
Other
Below 1.0
2G
Trunk lid (4SD), Liftgate (5HB, WGN)
open/closed
• Trunk compartment light switch (4SD)
• Cargo compartment light switch (5HB, WGN)
4SD
• Trunk lid is open
(trunk compartment light switch is on)
5HB, WGN
• Liftgate is open
(cargo compartment light switch is on)
Below 1.0
• Inspect trunk compartment light switch (4SD)
• Inspect cargo compartment light switch
(5HB, WGN)
• Inspect related harness
4SD
• Trunk lid are closed
(trunk compartment light switch are off)
5HB, WGN
• Liftgate are closed
(cargo compartment light switch are off)
B+
2H
-
-
-
-
-
2I
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+
2J*1
Security light output
Instrument cluster
Double locking system operated
1.4
• Inspect instrument cluster
• Inspect related harness
Other
B+
2K
Door open/closed
Door switch
Any door is open
(any door switch is on)
Below 1.0
• Inspect door switches
• Inspect related harness
All door are closed
(door switches are off)
B+
2L
-
-
-
-
-
2N
-
-
-
-
-
2M
-
-
-
-
-
2O
-
-
-
-
-
2P
-
-
-
-
-
2Q
Lock input
Door lock-link switch
Driver's side door is locked: inspect for continuity to ground
Yes
• Inspect door lock-link switch
• Inspect related 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
• Inspect door lock-link switch
• Inspect related harness
Driver's side door is unlocked: inspect for continuity to ground
Yes
2S
Lock/Unlock input
• Door key cylinder switch (driver's side)*1
• Door key cylinder switch (passenger's side)
At the moment of key cylinder is locked
Approx. 2.5
• Inspect key cylinder switch
• Inspect related harness
At the moment of key cylinder is unlocked
Below 1.0
Key cylinder at neutral position
Approx. 5
2T
-
-
-
-
-
2U
-
-
-
-
-
2V
-
-
-
-
-
2W
Signal ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
2X
-
-
-
-
-

*1 :
Vehicles with double locking system