Jeep Grand Cherokee WK. Manual — part 469
B1804 DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK – DRIVER MEMORY MIRROR
MODULE (CONTINUED)
6.
MEMORY SELECTOR SWITCH SHORTED
Disconnect the Memory Selector Switch connector.
Measure the resistance between the (P439) Memory Select Switch
Mux circuit and the (G920) Memory Select Switch Return circuit in the
Driver Memory Mirror Module C2 connector.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the (P439) Memory Select Switch Mux circuit for a
short to the (G920) Memory Select Switch Return circuit.
Perform the BODY VERIFICATION TEST - VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES
- STANDARD PROCEDURE)
No
>> Replace the Memory Selector Switch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
8N - 36
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK
B1807 PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH – PASSENGER
MEMORY MIRROR MODULE
WK
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 37
B1807 PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH – PASSENGER MEMORY MIRROR
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 PARTIAL SHORT TO VOLTAGE
PASSENGER WINDOW/DOOR LOCK SWITCH STUCK
PASSENGER MEMORY MIRROR MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Passenger 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 PASSENGER 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)
2.
DOOR LOCK SWITCH SHORTED TO VOLTAGE
With the scan tool, erase DTC’s.
Disconnect the Passenger Window/Door Lock Switch connector.
Turn the ignition on.
With the scan tool, read DTC’s.
Does the scan tool display PASSENGER DOOR LOCK/UNLOCK
SWITCH CIRCUIT HIGH?
No
>> Replace the Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
Yes
>> Go to 3
8N - 38
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK
B1807 PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH – PASSENGER MEMORY MIRROR
MODULE (CONTINUED)
3.
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE
Disconnect the Passenger Memory Mirror Module connector.
Measure the voltage of the (G160) Passenger Door Lock Switch Mux
circuit in the Passenger Memory Mirror Module connector.
Is there any voltage present?
Yes
>> Repair the (G160) Passenger Door Lock Switch Mux cir-
cuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Replace the Passenger Memory Mirror Module.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
WK
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 39
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