Dodge Nitro. Manual — part 855
Fig. 10: 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 circuit is below 0.8 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 B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT
LOW?
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 (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. 11: Passenger Window/Door Lock Switch C2 Connector
Courtesy of CHRYSLER LLC
With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch C2 connector.
With the scan tool, read DTC's.
Does the scan tool display B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT
LOW?
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 PARTIAL SHORT TO
GROUND
2007 Dodge Nitro R/T
2007 ACCESSORIES AND EQUIPMENT Power Locks - Electrical Diagnostics - Nitro
Fig. 12: 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 in the
Passenger Window/Door Lock 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 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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