Diagnostic Test

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

1) TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's

Operate the door locks 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 B1830-ALL DOOR UNLOCK CONTROL CIRCUIT PERFORMANCE?

Yes
1. Go to 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 .
2) (P240) PASSENGER DOORS UNLOCK DRIVER CIRCUIT SHORT TO GROUND

Fig 1: Measuring Resistance Between Ground & Passenger Doors Unlock Driver Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Instrument Cluster C1 connector.

Measure the resistance between ground and the (P240) Passenger Doors Unlock Driver circuit in the Cluster C1 connector.

Is the resistance below 1,000.0 ohms?

Yes
1. Repair the (P240) Passenger Doors Unlock Driver circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to 3).
3) (P240) PASSENGER DOORS UNLOCK DRIVER CIRCUIT SHORTED TO BATTERY

Fig 2: Measuring Voltage Between Ground & Passenger Doors Unlock Driver Circuit
Courtesy of CHRYSLER LLC

Turn the ignition on.

Measure the voltage between ground and the (P240) Passenger Doors Unlock Driver circuit in the Cluster C1 connector.

Is there any voltage present?

Yes
1. Repair the (P240) Passenger Doors Unlock Driver circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to 4).
4) (P240) PASSENGER DOORS UNLOCK DRIVER CIRCUIT OPEN

Fig 3: Measuring Resistance Between Door Lock Driver Circuit & Passenger Doors Unlock Driver Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Measure the resistance between the (P33) Door Lock Driver circuit and the (P240) Passenger Doors Unlock Driver circuit in the Cluster C1 connector.

Is the resistance above 4.0 ohms?

Yes
1. Repair the (P33) Door Lock Driver or the (P240) Passenger Doors Unlock Driver circuit for an open.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to 5).
5) (P33) DOOR LOCK DRIVER SHORTED TO THE (P240) PASSENGER DOORS UNLOCK DRIVER CIRCUIT

Fig 4: Measuring Resistance Between Door Lock Driver Circuit & Passenger Doors Unlock Driver Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between the (P33) Door Lock Driver circuit and the (P240) Passenger Doors Unlock Driver circuit in the Cluster C1 connector.

Is the resistance below 1.0 ohms?

Yes
1. Repair the (P33) Door Lock Driver for a short to the (P240) Passenger Doors Unlock Driver circuit.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Replace the Instrument Cluster in accordance with service information.
2. Perform BODY VERIFICATION TEST - VER 1 .