Symptom List:
*CYLINDER LOCK SWITCH INOPERATIVE
*CYLINDER LOCK SWITCH WILL NOT ARM AND/OR DISARM
ALARM
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be *CYLINDER LOCK SWITCH
INOPERATIVE.
POSSIBLE CAUSES
DTC PRESENT
CYLINDER LOCK SWITCH GROUND OPEN
CYLINDER LOCK SWITCH MUX CIRCUIT OPEN
CYLINDER LOCK SWITCH OPEN
INSTRUMENT CLUSTER - OPEN
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, read DTC’s.
Are there any Power Door Lock related trouble codes?
All
Yes → Refer to symptom list for problems related to Power Door Locks.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Disconnect the Cylinder Lock Switch connector.
Measure the voltage between Cylinder Lock Switch Mux circuit and ground.
Is the voltage between 4.6 and 5.2 volts?
All
Yes → Go To 3
No → Go To 4
3 Disconnect the Cylinder Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
All
Yes → Replace the Cylinder Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
No → Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
485
POWER DOOR LOCKS/RKE
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