Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
With the scan tool, read the active DTC's.

Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 30 seconds.

With the scan tool, read the active DTC's.

Does the scan tool display this DTC as active?

Yes
1. Go To 2.
No
1. If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
ACCESSORY DELAY RELAY
Turn the ignition off.

Install a substitute relay in place of the original Accessory Delay Relay.

Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds.

With the scan tool, read DTC's.

Does the scan tool display this DTC as active?

Yes
1. Go To 3.
No
1. Replace the original Accessory Delay Relay.
2. Perform BODY VERIFICATION TEST - VER 1 .
(P307) ACCESSORY DELAY RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Measuring Voltage Of Accessory Delay Relay Control Circuit At Relay Connector (Cavity 85)
Courtesy of CHRYSLER LLC

Turn the ignition off.

Remove the Accessory Delay Relay from the Rear Power Distribution Module.

Measure the voltage of the (P307) Accessory Delay Relay Control circuit at the relay connector (cavity 85).

Is there any voltage present?

Yes
1. Repair the (P307) Accessory Delay Relay Control circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the TIPM in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .