Driver Door Lock Switch Input Circuit Shorted

DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED

Driver Door Lock Switch Input Circuit Shorted:

WHEN MONITORED
At all times when battery power is supplied to the Instrument Cluster.

SET CONDITION
When the Instrument Cluster senses voltage to the driver door lock switch below 0.25 volts, the input circuit is not valid and this code will set.

POSSIBLE CAUSES
- (G161) Driver door lock switch mux circuit shorted to ground
- Door lock switch shorted
- Instrument cluster

Diagnostic Test

1. DTC PRESENT




Turn the ignition on.
With the DRBIII(R), record and erase DTC's.
With the DRBIII(R), read DTC's.
Operate the door locks several times from the Driver Door Lock Switch while monitoring the DRBIII(R).

Q: Does the DRBIII(R) display DRIVER DOOR LOCK SW INPUT CIRCUIT SHORTED?

YES: Go To 2
NO: Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. DOOR LOCK SWITCH SHORTED




Disconnect the Driver Window/Door Lock Switch C1 connector.
With the DRBIII(R) in sensors, read the DRV DOOR LOCK SW MUX circuit.

Q: Is the voltage above 4.6 volts?

YES: Replace the Driver Window/Door Lock Switch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3

3. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORTED




Turn the ignition off.
Disconnect the Instrument Cluster C4 connector.
Measure the resistance between the (G161) Driver Door Lock Switch Mux circuit and ground.

Q: Is the resistance below 1000.0 ohms?

YES: Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test