Diagnostic Test

With the scan tool, record and erase DTC's

Operate the Right 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 B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? 

Yes 

1. Go To step  2).

No 

1. 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.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

Fig 1: Right Door Lock Switch Connector

Courtesy of DAIMLERCHRYSLER CORP.

With the scan tool, erase DTC's.

Disconnect the Right Door Lock Switch connector.

With the scan tool, read DTC's.

Does the scan tool display B1806- PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? 

No 

1. Replace the Right Door Lock Switch.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

Yes 

1. Go To step  3).

Fig 2: Measuring Resistance Between Ground & Right Door Lock Switch MUX Circuit

Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Cluster C2 connector.

Measure the resistance between ground and the (P696) Right Door Lock Switch MUX circuit.

Is the resistance below 10,000.0 ohms? 

Yes 

1. Repair the (P696) Right Door Lock Switch MUX circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

No 

1. Replace the Instrument Cluster in accordance with service information.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .