Dodge Nitro. Manual — part 863

Perform BODY VERIFICATION TEST - VER 1 .

2) CHECK FOR RELAY OPEN OR SHORTED

Fig. 34: Secondary Door Unlock Relay
Courtesy of CHRYSLER LLC

Turn the ignition off.

Remove the Secondary Door Unlock Relay from the I.P. End Bracket (behind the right kick panel).

Install a substitute relay in place of the Secondary Door Unlock Relay.

Turn the ignition on.

With the scan tool, erase DTCs.

Turn ignition off and remove the key.

Lock all doors and wait 2 minutes.

Turn the ignition on.

With the scan tool, read DTCs.

Does the scan tool display B198A-ALL DOOR SECONDARY UNLOCK CONTROL CIRCUIT
LOW?

Yes

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Go to 3).

No

Replace the original relay.

Perform BODY VERIFICATION TEST - VER 1 .

3) CHECK THE (P391) SECONDARY DOOR UNLOCK RELAY CONTROL CIRCUIT FOR A
SHORT TO GROUND

Fig. 35: Measuring Resistance Between Ground And (P391) Secondary Door Unlock Relay Control
Circuit In Relay Connector
Courtesy of CHRYSLER LLC

Turn the ignition off.

Remove the Secondary Door Unlock Relay.

Disconnect the TIPM C7 connector.

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Measure the resistance between ground and the (P391) Secondary Door Unlock Relay Control circuit in
the relay connector.

Is the resistance below 1,000.0 ohms?

Yes

Repair the (P391) Secondary Door Unlock Relay Control circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 4).

4) CHECK THE (P391) SECONDARY DOOR LOCK RELAY CONTROL CIRCUIT FOR AN
OPEN

Fig. 36: Measuring Resistance Of (P391) Secondary Door Unlock Relay Control Circuit Between
Relay Connector And TIPM C7 Connector
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Measure the resistance of the (P391) Secondary Door Unlock Relay Control circuit between the Relay
connector and the TIPM C7 connector.

Is the resistance below 2.0 ohms?

Yes

Replace the Totally Integrated Power Module in accordance with service information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Repair the (P391) Secondary Door Unlock Relay Control circuit for an open.

Perform BODY VERIFICATION TEST - VER 1 .

B198B - ALL DOOR SECONDARY UNLOCK CONTROL CIRCUIT HIGH - TIPM

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro