Jeep Grand Cherokee WK. Manual — part 460
POWER SYSTEMS
TABLE OF CONTENTS
page
page
DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . 83
POWER MIRRORS-SERVICE INFORMATION . . . 211
POWER LOCKS - ELECTRICAL DIAGNOSTICS
TABLE OF CONTENTS
page
page
POWER LOCKS - ELECTRICAL DIAGNOSTICS
B210D-BATTERY VOLTAGE LOW – DOOR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
MEMORY MIRROR MODULE . . . . . . . . . . . . . . 3
B2218, B2219–DOOR MODULE INTERNAL –
DOOR MODULE . . . . . . . . . . . . . . . . . . . . . . . 4
SWITCH INPUT CIRCUIT LOW – CLUSTER . . . 5
SWITCH INPUT STUCK LOCK– CLUSTER . . . 8
SWITCH INPUT STUCK UNLOCK–
CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
B1806–PASSENGER DOOR LOCK/UNLOCK
SWITCH INPUT CIRCUIT LOW – CLUSTER . . 14
B1808–PASSENGER DOOR LOCK/UNLOCK
SWITCH INPUT STUCK LOCK – CLUSTER . . 17
B1809–PASSENGER DOOR LOCK/UNLOCK
SWITCH INPUT STUCK UNLOCK–
CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SWITCH CIRCUIT HIGH – DRIVER DOOR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SWITCH CIRCUIT STUCK LOCK – DRIVER
MEMORY MIRROR MODULE . . . . . . . . . . . . . 27
SWITCH CIRCUIT STUCK UNLOCK –
DRIVER MEMORY MIRROR MODULE . . . . . . 32
B1807 PASSENGER DOOR LOCK/UNLOCK
SWITCH CIRCUIT HIGH – PASSENGER
MEMORY MIRROR MODULE . . . . . . . . . . . . . 37
B1808 PASSENGER DOOR LOCK/UNLOCK
SWITCH CIRCUIT STUCK LOCK –
PASSENGER MEMORY MIRROR MODULE . . 40
B1809–PASSENGER DOOR LOCK/UNLOCK
SWITCH CIRCUIT STUCK UNLOCK –
PASSENGER MEMORY MIRROR MODULE . . 43
B1851–FLIPPER GLASS SWITCH STUCK–
CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
CIRCUIT LOW– CLUSTER . . . . . . . . . . . . . . . 49
B184F–FLIPPER GLASS CONTROL CIRCUIT
HIGH– CLUSTER . . . . . . . . . . . . . . . . . . . . . . 52
CIRCUIT LOW– CLUSTER . . . . . . . . . . . . . . . 55
CIRCUIT HIGH– CLUSTER . . . . . . . . . . . . . . 58
B1835–DRIVER DOOR UNLOCK CONTROL
CIRCUIT LOW– CLUSTER . . . . . . . . . . . . . . . 61
B1836–DRIVER DOOR UNLOCK CONTROL
CIRCUIT HIGH– CLUSTER . . . . . . . . . . . . . . 64
CONTROL CIRCUIT LOW– CLUSTER . . . . . . 67
CONTROL CIRCUIT HIGH– CLUSTER . . . . . . 70
WK
POWER SYSTEMS
8N - 1
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
B210D-BATTERY VOLTAGE LOW – DOOR MODULE
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:
At all times.
•
Set Condition:
Anytime the module senses voltage input below 9.5 volts, this code will set.
POSSIBLE CAUSES
LOW VOLTAGE ENGINE DTC
DOOR MODULE
Diagnostic Test
1.
CHECK ENGINE DTC’s
With the scan tool, read ENGINE DTC’s
Are there any ENGINE DTC’s present?
No
>> Go to 2
Yes
>> Refer to symptom list for problems related to ENGINE.
2.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Start the engine and run for 2 minutes.
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 BATTERY VOLTAGE LOW?
Yes
>> Replace the appropriate Door Module.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
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 - 2
POWER LOCKS - ELECTRICAL DIAGNOSTICS
WK
B210E-BATTERY VOLTAGE HIGH – MEMORY MIRROR MODULE
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:
At all times.
•
Set Condition:
Anytime the module senses voltage input above 15.9 volts, this code will set.
POSSIBLE CAUSES
HIGH VOLTAGE ENGINE DTC
MEMORY MIRROR MODULE
Diagnostic Test
1.
CHECK ENGINE DTC’s
With the scan tool, read ENGINE DTC’s
Are there any ENGINE DTC’s present?
No
>> Go to 2
Yes
>> Refer to symptom list for problems related to ENGINE.
2.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Start the engine and run for 2 minutes.
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 BATTERY VOLTAGE HIGH?
Yes
>> Replace the Memory Mirror Module.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
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)
WK
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 3
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