Jeep Liberty KJ. Manual — part 160
5.
CHECK (P30) TAILGATE LOCK DRIVER CIRCUIT FOR A SHORT TO GROUND
Disconnect the Jumper wire installed in the previous step.
Measure the resistance between ground and the (P30) Tailgate Lock
Driver circuit in the Junction Block C2 connector.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (P30) Tailgate Lock Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
No
>> Go To 6
6.
CHECK (P31) TAILGATE UNLOCK DRIVER CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (P31) Tailgate Unlock
Driver circuit in the Junction Block C2 connector.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (P31) Tailgate Unlock Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
No
>> Go To 7
8N - 62
POWER LOCKS - ELECTRICAL DIAGNOSTICS
KJ
7.
CHECK JUNCTION BLOCK (P30) TAILGATE LOCK DRIVER CIRCUIT FOR AN OPEN
Remove the Junction Block.
Remove the Body Control Module from the Junction Block.
Measure the resistance of the (P30) Tailgate Lock Driver circuit between
Junction Block C2 connector and the Junction Block - BCM connector.
Is the resistance below 1.0 ohm?
Yes
>> Go To 8
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
No
>> Replace the Junction Block in accordance with service infor-
mation.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
8.
CHECK JUNCTION BLOCK (P31) TAILGATE UNLOCK DRIVER CIRCUIT FOR AN OPEN
Measure the resistance of the (P31) Tailgate Unlock Driver circuit
between Junction Block C2 connector and the Junction Block - BCM
connector.
Is the resistance below 1.0 ohm?
Yes
>> Replace the Body Control Module in accordance with ser-
vice information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
No
>> Replace the Junction Block in accordance with service infor-
mation.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC
CONTROL
MODULES
-
STANDARD PROCEDURE)
KJ
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 63
8N - 64
POWER LOCKS - ELECTRICAL DIAGNOSTICS
KJ
POWER LOCKS
TABLE OF CONTENTS
page
page
POWER LOCKS
DOOR LOCK / UNLOCK SWITCH
DIAGNOSIS AND TESTING - DOOR LOCK/
UNLOCK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
DOOR LOCK MOTOR
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
FLIP-UP GLASS RELEASE SWITCH
DIAGNOSIS AND TESTING - FLIP-UP GLASS
RELEASE SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . 73
DOOR LOCK RELAY
REMOTE KEYLESS ENTRY MODULE
KEYLESS ENTRY MODULE . . . . . . . . . . . . . . . . . . 75
REMOTE KEYLESS ENTRY TRANSMITTER
DIAGNOSIS AND TESTING - REMOTE
KEYLESS ENTRY TRANSMITTER . . . . . . . . . . . . 77
TRANSMITTER CUSTOMER
PREFERENCES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
. . . . . . . . . . . . . . . 78
. . . . . . . . . . . . . . . . . . 78
SPECIFICATIONS - REMOTE KEYLESS
ENTRY TRANSMITTER . . . . . . . . . . . . . . . . . . . . . . 78
TAILGATE CYLINDER LOCK SWITCH
CYLINDER LOCK SWITCH . . . . . . . . . . . . . . . . . . . 79
KJ
POWER LOCKS
8N - 65
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