Dodge Nitro. Manual — part 862

Fig. 31: Measuring Resistance Between Ground And (G160) Passenger Door Lock Switch Mux
Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the TIPM C7 connector.

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

Is the resistance below 1,000.0 ohms?

Yes

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

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 4).

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

4) (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) DOOR
LOCK SWITCH RETURN CIRCUIT

Fig. 32: Measuring Resistance Between (G160) Passenger Door Lock Switch Mux Circuit And
(P37) Door Lock Switch Return Circuit In Switch C2 Connector
Courtesy of CHRYSLER LLC

Measure the resistance between the (G160) Passenger Door Lock Switch Mux circuit and the (P37) Door
Lock Switch Return circuit in the switch C2 connector.

Is the resistance below 1,000.0 ohms?

Yes

Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to the (P37) Door Lock
Switch Return circuit.

Perform BODY VERIFICATION TEST - VER 1 .

No

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

Perform BODY VERIFICATION TEST - VER 1 .

B198A - ALL DOOR SECONDARY UNLOCK CONTROL CIRCUIT LOW - TIPM

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Fig. 33: Secondary Door Unlock 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 Unlock Relay Control circuit for more than 5
seconds, even though it is not attempting to unlock the doors.

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 B198A-ALL DOOR SECONDARY UNLOCK 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.

Possible Causes

RELAY OPEN OR SHORTED
(P391) SECONDARY DOOR UNLOCK RELAY CONTROL CIRCUIT SHORT TO GROUND
(P391) SECONDARY DOOR UNLOCK RELAY CONTROL CIRCUIT OPEN
TOTALLY INTEGRATED POWER MODULE (TIPM)

NOTE:

This test is only for Right Hand Drive vehicles.

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro