Dodge Nitro. Manual — part 857

Fig. 16: Measuring Resistance Between Ground And (G160) Passenger Door Lock Switch Mux
Circuit In Passenger Window/Door Lock Switch Connector
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Passenger Door Module C5 connector.

Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit in the
Passenger Window/Door Lock Switch connector.

Is the resistance below 10,000.0 ohms?

Yes

Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

No

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Go to 4).

4) (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (Q936)
PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT

Fig. 17: Measuring Resistance Between (G160) Passenger Door Lock Switch Mux Circuit And
(Q936) Passenger Window Express Switch Return Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between the (G160) Passenger Door Lock Switch Mux circuit and the (Q936)
Passenger Window Express Switch Return circuit.

Is the resistance below 10,000.0 ohms?

Yes

Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to the (Q936) Passenger
Window Express Switch Return circuit.

Perform BODY VERIFICATION TEST - VER 1 .

No

Replace the Passenger Door Module in accordance with service information.

Perform BODY VERIFICATION TEST - VER 1 .

B186F - ALL DOOR SECONDARY LOCK CONTROL CIRCUIT LOW - TIPM

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Fig. 18: Secondary Door Lock Relay Control Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

At all times.

Set Condition:

The TIPM detects a low circuit on the Secondary Door Lock Relay Control circuit even though it is not
attempting to lock the doors for more than 5 seconds.

This test is only for Right Hand Drive (RHD) vehicles.

Diagnostic Test

1) CHECK TROUBLE CODE

Turn the ignition on.

Record all trouble codes.

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 B186F-ALL DOOR SECONDARY LOCK CONTROL CIRCUIT LOW?

Yes

Go to 2).

No

Problem is intermittent and not present at this time. Using the wiring diagram/schematic as a guide,
inspect the wiring and connectors and repair as necessary. Ensure the relay is completely plugged
in.

Perform BODY VERIFICATION TEST - VER 1 .

2) CHECK FOR RELAY OPEN OR SHORTED

Possible Causes

RELAY OPEN OR SHORTED
(P390) SECONDARY DOOR LOCK RELAY CONTROL CIRCUIT SHORT TO GROUND
(P390) SECONDARY DOOR LOCK RELAY CONTROL CIRCUIT OPEN
TOTALLY INTEGRATED POWER MODULE (TIPM)

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro