Dodge Nitro. Manual — part 856

Go to 4).

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

Fig. 13: 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 .

B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK - PDM

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Fig. 14: Passenger Door Lock Switch 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

Continuously.

Set Condition:

When the Passenger Door Lock Switch Mux circuit is between 0.8 and 1.5 volts for over 30 seconds.

Diagnostic Test

1) TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase DTC's

Operate the Passenger Door Lock Switch in all positions several times.

Turn the ignition on and wait 30 seconds.

With the scan tool, read DTC's.

Does the scan tool display B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT
STUCK LOCK?

Yes

Go to 2).

No

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.

Perform BODY VERIFICATION TEST - VER 1 .

2) DOOR LOCK SWITCH SHORTED

Possible Causes

(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (Q936) PASSENGER
WINDOW EXPRESS SWITCH RETURN CIRCUIT
DOOR LOCK SWITCH SHORT TO GROUND
PASSENGER DOOR MODULE

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro

Fig. 15: Passenger Window/Door Lock Switch Connector
Courtesy of CHRYSLER LLC

With the scan tool, erase DTC's.

Disconnect the Passenger Window/Door Lock Switch connector.

With the scan tool, read DTC's.

Does the scan tool display B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT
STUCK LOCK?

No

Replace the Passenger Window/Door Lock Switch.

Perform BODY VERIFICATION TEST - VER 1 .

Yes

Go to 3).

3) (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro