Dodge Nitro. Manual - part 631

No  

Go to 5).  

5) (L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT OPEN 

Turn the ignition off. 

Disconnect the TIPM C4 harness connector. 

Measure the resistance between the (L89) Front Left Fog Lamp Control circuit and the Front Left Fog 
Lamp harness connector to the TIPM C4 connector. 

Is the resistance below 10.0 ohms?  

Yes  

Go to 6).  

No  

Repair the (L89) Front Left Fog Lamp Control circuit for an open.  

Perform BODY VERIFICATION TEST - VER 1 .  

6) (L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE 

Turn the ignition on. 

Measure the voltage of the (L89) Front Left Fog Lamp Control circuit. 

Is there any voltage present?  

Yes  

Repair the (L89) Front Left Fog Lamp Control circuit for a short to voltage.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.  

Perform BODY VERIFICATION TEST - VER 1 .  

B16FC-FRONT RIGHT FOG LAMP CONTROL CIRCUIT LOW 

For a complete wiring diagram refer to appropriate Wiring Diagram article. 

When Monitored: 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Lamps/Lighting - Exterior - Electrical/Diagnostics - Nitro

  

With the Front Fog Lamps activated. 

Set Condition: 

When the Totally Integrated Power Module (TIPM) detects a LOW condition. 

Diagnostic Test 

1) INTERMITTENT CONDITION 

Turn the ignition on. 

With the scan tool, clear all DTC's. 

Turn the Front Fog Lamps on. 

With the scan tool, read DTC's. 

Does the scan tool display active: B16FC- FRONT RIGHT FOG LAMP CONTROL CIRCUIT 
LOW?  

Yes  

Go to 2).  

No  

The condition that caused this symptom is currently not present. Check for an intermittent 
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken 
wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or 
contaminated terminals. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

2) FRONT RIGHT FOG LAMP BULB 

Turn the ignition off. 

Disconnect the Front Right Fog Lamp Bulb. 

Turn the ignition on. 

With the scan tool, read DTC's. 

Possible Causes 

(L90) FRONT RIGHT FOG LAMP CONTROL CIRCUIT SHORT TO GROUND
FRONT RIGHT FOG LAMP BULB
TOTALLY INTEGRATED POWER MODULE

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Lamps/Lighting - Exterior - Electrical/Diagnostics - Nitro

  

Does the DTC reset?  

Yes  

Go to 3).  

No  

Replace the Front Right Fog Lamp Bulb in accordance with the Service Information.  

Perform BODY VERIFICATION TEST - VER 1 .  

3) (L90) FRONT RIGHT FOG LAMP CONTROL CIRCUIT SHORT TO GROUND 

Turn the ignition off. 

Disconnect the TIPM C4 harness connector. 

Measure the resistance between ground and the Front Right Fog Lamp Control circuit. 

Is the resistance above 10k ohms?  

Yes  

Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.  

No  

Repair the (L90) Front Right Fog Lamp Control circuit for a short to ground.  

Perform BODY VERIFICATION TEST - VER 1 .  

B16FD-FRONT RIGHT FOG LAMP CONTROL CIRCUIT HIGH 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

When Monitored: 

Continuously. 

Set Condition: 

When the Totally Integrated Power Module (TIPM) detects a HIGH condition. 

Possible Causes 

CHECK (Z904) GROUND CIRCUIT
(Z904) GROUND CIRCUIT OPEN
CHECK (L90) FRONT RIGHT FOG LAMP CONTROL CIRCUIT

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Lamps/Lighting - Exterior - Electrical/Diagnostics - Nitro

  

Diagnostic Test 

1) TEST FOR INTERMITTENT CONDITION 

Turn the ignition on. 

With the scan tool, clear all DTC's. 

Turn the Front Fog Lamps on. 

With the scan tool, read DTC's. 

Does the scan tool display active: B16FD-FRONT RIGHT FOG LAMP CONTROL CIRCUIT 
HIGH?  

Yes  

Go to 2).  

No  

The condition that caused this symptom is currently not present. Check for an intermittent 
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken 
wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or 
contaminated terminals. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

2) CHECK (Z904) GROUND CIRCUITS 

Disconnect the Front Right Fog Lamp assembly harness connector. 

With a 12-volt test light connected to 12-volts, probe each (Z904) Ground circuit. 

Does the test light illuminate brightly on each ground circuit?  

Yes  

Go to 4).  

No  

Go to 3).  

(L90) FRONT RIGHT FOG LAMP CONTROL CIRCUIT OPEN
(L90) FRONT RIGHT FOG LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
FRONT RIGHT FOG LAMP BULB
TOTALLY INTEGRATED POWER MODULE

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Lamps/Lighting - Exterior - Electrical/Diagnostics - Nitro