Diagnostic Test

WARNING: This page is about a different car, the 2006 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 Liftgate or Decklid release 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 B1828-TRUNK/GATE RELEASE 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. Refer to BODY VERIFICATION TEST - VER 1 .
2) (P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT SHORT TO GROUND

Fig 1: Measuring Resistance Between Ground & Decklid/Liftgate Release Driver Circuit
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Instrument Cluster C1 connector.

Measure the resistance between ground and the (P31) Decklid/Liftgate Release Driver circuit in the Cluster C1 connector.

Is the resistance below 1.5 ohms?

Yes
1. Repair the (P31) Decklid/Liftgate Release Driver circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
No
1. Go To 3).
3) (P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT SHORTED TO BATTERY

Fig 2: Measuring Voltage Between Ground & Decklid/Liftgate Release Driver Circuit
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition on.

Measure the voltage between ground and the (P31) Decklid/Liftgate Release Driver circuit in the Cluster C1 connector.

Is there any voltage present?

Yes
1. Repair the (P31) Decklid/Liftgate Release Driver circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
No
1. Go To 4).
4) (P31) DECKLID/LIFTGATE RELEASE DRIVER CIRCUIT OPEN

Fig 3: Measuring Resistance Between Cluster C1 Connector & Decklid/Liftgate Latch Connector
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Decklid/Liftgate Latch connector.

Measure the resistance of the (P31) Decklid/Liftgate Release Driver circuit between the Cluster C1 connector and the Decklid/Liftgate Latch connector.

Is the resistance above 5.0 ohms?

No
1. Repair the (P31) Decklid/Liftgate Release Driver circuit for an open.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
Yes
1. Replace the Decklid or Liftgate Latch in accordance with service information.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .