Jeep Grand Cherokee WK. Manual — part 464
B1806–PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW – CLUSTER (CONTINUED)
3.
DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Cluster C3 connector.
Measure the resistance between ground and the Passenger Door Lock
Switch Mux circuit.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the Passenger Door Lock Switch Mux circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
8N - 16
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK
B1808–PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK –
CLUSTER
WK
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 17
B1808–PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK – CLUSTER (CONTINUED)
For the Power Door Lock circuit diagram (Refer to 8 - ELECTRICAL/POWER LOCKS - SCHEMATICS AND DIA-
GRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously
•
Set Condition:
When the Cluster senses a Lock input on the Passenger Door Lock Switch Mux circuit for over 10 seconds,
this code will set.
Possible Causes
DOOR LOCK SWITCH STUCK
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
INSTRUMENT CLUSTER
Theory of Operation
This code will only set in Cluster in vehicles that do not have the Memory System.
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Passenger Door Lock Switch in all positions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTC’s.
Does the scan tool display PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
2.
DOOR LOCK SWITCH SHORTED
With the scan tool, erase DTC’s.
Disconnect the Passenger Window/Door Lock Switch connector.
With the scan tool, read DTC’s.
Does the scan tool display PASSENGER DOOR LOCK/UNLOCK
SWITCH INPUT STUCK LOCK?
No
>> Replace the Passenger Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
Yes
>> Go To 3
8N - 18
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK
B1808–PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK – CLUSTER (CONTINUED)
3.
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
Turn the ignition off.
Disconnect the Cluster C3 connector.
Measure the resistance between ground and the (G160) Passenger
Door Lock Switch Mux circuit.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the (G160) Passenger Door Lock Switch Mux cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
WK
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 19
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