Jeep Grand Cherokee WK. Manual — part 435
B165D-PARK LAMP CONTROL CIRCUIT HIGH
8L - 50
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
WK
B165D-PARK LAMP CONTROL CIRCUIT HIGH (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the Park Lamps activated.
•
Set Condition:
•
When the FCM detects a HIGH condition.
Possible Causes
FRONT CONTROL MODULE
Diagnostic Test
1.
INTEGRATED POWER MODULE
Turn the ignition off.
Replace the Park Lamp relay with and known good relay.
With the Scan Tool, clear all IPM DTC’s.
Turn the Park Lamps ON then OFF.
With the Scan Tool, read the Wiper DTC’s.
Does the Scan Tool read: B165D-PARK LAMP CONTROL CIRCUIT HIGH?
Yes
>> Replace the Integrated Power Module in accordance with the service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
No
>> Test complete.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
WK
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 51
B165E-PARK LAMP CONTROL CIRCUIT OPEN
8L - 52
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
WK
B165E-PARK LAMP CONTROL CIRCUIT OPEN (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the Park Lamps activated.
•
Set Condition:
•
When the FCM detects a OPEN condition.
Possible Causes
FRONT CONTROL MODULE
Diagnostic Test
1.
INTEGRATED POWER MODULE
Turn the ignition off.
Replace the Park Lamp relay with and known good relay.
With the Scan Tool, clear all IPM DTC’s.
Turn the Park Lamps ON then OFF.
With the Scan Tool, read the Wiper DTC’s.
Does the Scan Tool read: B165E-PARK LAMP CONTROL CIRCUIT OPEN?
Yes
>> Replace the Integrated Power Module in accordance with the service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
No
>> Test complete.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
WK
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 53
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