Jeep Grand Cherokee WK. Manual - part 466
B1802–DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH – DRIVER DOOR MODULE (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 Door Lock Switch Mux circuit is above 5.25 volts for over 30 msec.
Possible Causes
(G161) DRIVER DOOR LOCK SWITCH MUX WIRE SHORT TO VOLTAGE
(P439) MEMORY SELECT SWITCH MUX WIRE SHORT TO VOLTAGE
DRIVER WINDOW/DOOR LOCK SWITCH
DRIVER MEMORY MIRROR MODULE
Theory of Operation
This code will only set in vehicles that have the Memory System. The supply circuit for the Memory Mirrors are
supplied by the Memory Mirror Module, therefore both the Memory Select Switch Mux or the Door Lock Switch Mux
circuits can cause this DTC.
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Driver Door Lock Switch in both 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 DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?
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)
8N - 24
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK