Dodge Nitro. Manual — part 860
Fig. 25: Driver Door Lock Switch Mux 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 Driver Door Lock Switch Mux circuit is between 0.8 and 3.5 volts for over 10 seconds.
This test is only applicable for vehicles that do not have "Express Up" Power Windows.
Diagnostic Test
1) TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's
Operate the Driver Door Lock Switch in all positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
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
(G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
(G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) DOOR LOCK
SWITCH RETURN CIRCUIT
WINDOW/DOOR LOCK SWITCH
TOTALLY INTEGRATED POWER MODULE (TIPM)
2007 Dodge Nitro R/T
2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro
Fig. 26: Driver Window/Door Lock Switch C2 Connector
Courtesy of CHRYSLER LLC
With the scan tool, erase DTC's.
Disconnect the Driver Window/Door Lock Switch C2 connector.
With the scan tool, read DTC's.
Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
No
Replace the Driver Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1 .
Yes
Go to 3).
3) (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
2007 Dodge Nitro R/T
2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro
Fig. 27: Measuring Resistance Between Ground And (G161) Driver Door Lock Switch Mux Circuit
In Driver Window/Door Lock Switch C2 Connector
Courtesy of CHRYSLER LLC
Turn the ignition off.
Disconnect the TIPM C7 connector.
Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit in the
Driver Window/Door Lock Switch C2 connector.
Is the resistance below 1,000.0 ohms?
Yes
Repair the (G161) Driver 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
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