FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B1800







B1800-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT PERFORMANCE - CLUSTER





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously

- Set Condition:
When the Driver Door Lock Switch Mux circuit is below 1.5 volts or over 4.3 volts for 10 seconds, this code will set.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's
Operate the Driver Door Lock Switch in all positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1800-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT PERFORMANCE?

Yes

- Go to 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. DRIVER DOOR LOCK SWITCH SHORTED




With the scan tool, erase DTC's.
Disconnect the Driver Window/Door Lock Switch (JS41 - C2) connector.
With the scan tool, read DTC's.
Does the scan tool display B1800-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT PERFORMANCE?

No

- Replace the Driver Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Go to 3


3. (P697) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO BATTERY




Ensure the ignition is on.
Measure the voltage between the (P697) Driver Door Lock Switch Mux circuit and ground.
Is the voltage above 5.2 volts?

Yes

- Repair the (P697) Driver Door Lock Switch Mux circuit for a short to battery.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go to 4


4. (P697) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Cluster C2 connector.
Measure the resistance between ground and the (P697) Driver Door Lock Switch Mux circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (P697) Driver Door Lock Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go to 5


5. (P697) DRIVER DOOR LOCK SWITCH MUX CIRCUIT OPEN




Measure the resistance of the (P697) Driver Door Lock Switch Mux circuit between the Cluster C2 connector and the Driver Window/Door Lock Switch connector.
Is the resistance below 5.0 ohms?

No

- Repair the (P697) Driver Door Lock Switch Mux circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Replace the Instrument Cluster.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test