Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 581
•
When Monitored:
Whenever the module is awake.
•
Set Condition:
When the (G25) Decklid/Liftgate Release Switch Sense circuit is shorted low for over 30 seconds.
Possible Causes
(G25) DECKLID/LIFTGATE RELEASE SWITCH SENSE CIRCUIT SHORT TO GROUND
DECKLID OR LIFTGATE SWITCH SHORTED TO GROUND
INSTRUMENT CLUSTER
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Decklid or Liftgate Switch several times.
Turn the ignition on and wait 30 seconds.
With the scan tool, read DTC’s.
Does the scan tool display B1826–TRUNK RELEASE SWITCH INPUT CIRCUIT LOW?
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 BODY VERIFICATION TEST – VER 1).
2.
TRUNK SWITCH SHORTED
Disconnect the Decklid or Liftgate Release Switch connector.
With the scan tool, record and erase DTC’s
Cycle the ignition from on to off three times.
Turn the ignition on.
With the scan tool, read DTC’s.
Does the scan tool display B1826–TRUNK RELEASE SWITCH
INPUT CIRCUIT LOW?
No
>> Replace the decklid or liftgate switch.
Perform BODY VERIFICATION TEST - VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
Yes
>> Go To 3
8N - 22
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
3.
(P25) DECKLID/LIFTGATE RELEASE SWITCH SENSE CIRCUIT SHORT TO GROUND.
Turn the ignition off.
Disconnect the Cluster C1 connector.
Measure the resistance between Ground and the (G25) Decklid/Liftgate
Release Switch sense circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (G25) Decklid/Liftgate Release Switch Sense cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Replace the Instrument Cluster
Perform BODY VERIFICATION TEST - VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 23
*DECKLID/LIFTGATE RELEASE INOPERATIVE
For a complete wiring diagram Refer to Section 8W.
8N - 24
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
Possible Causes
(P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT SHORT TO GROUND
(P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT SHORT TO VOLTAGE
(P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT OPEN
DECKLID/LIFTGATE RELEASE GROUND CIRCUIT OPEN
(G25) DECKLID/LIFTGATE RELEASE SWITCH SENSE CIRCUIT SHORT TO GROUND
(G25) DECKLID/LIFTGATE SWITCH SENSE CIRCUIT OPEN
DECKLID OR LIFTGATE SWITCH GROUND CIRCUIT OPEN
DECKLID OR LIFTGATE SWITCH INOPERATIVE
DECKLID OR LIFTGATE LATCH INOPERATIVE
INSTRUMENT CLUSTER
Diagnostic Test
1.
DECKLID/LIFTGATE OPERATIONAL FROM RKE ONLY
Is the Decklid Or Liftgate operational from the RKE only?
No
>> Go To 2
Yes
>> Go To 7
2.
DECKLID OR LIFTGATE LATCH INOPERATIVE
NOTE: Ensure all fuses are good before proceeding.
Disconnect the liftgate or decklid latch connector.
Connect a test light between the (P31) Decklid/Liftgate Release Driver
circuit and the Ground circuit.
Turn the ignition on.
Operate the decklid or liftgate and observe the test light.
Does the testlight illuminate brightly for approximately 300 ms.
when the decklid or liftgate is operated?
Yes
>> Replace the Decklid or Liftgate Latch.
Perform BODY VERIFICATION TEST - VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Go To 3
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 25
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