Dodge Nitro. Manual — part 630

Repair the (L53) Left Stop 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 .

B16F8-FRONT LEFT FOG LAMP CONTROL CIRCUIT LOW

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

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: B16F8-FRONT LEFT FOG LAMP CONTROL CIRCUIT LOW?

Yes

Go to 2).

No

Possible Causes

(L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT SHORT TO GROUND
FRONT LEFT FOG LAMP BULB
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

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 LEFT FOG LAMP BULB

Turn the ignition off.

Disconnect the Front Left Fog Lamp Bulb.

Turn the ignition on.

With the scan tool, read DTC's.

Does the DTC reset?

Yes

Go to 3).

No

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

Perform BODY VERIFICATION TEST - VER 1 .

3) (L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT SHORT TO GROUND

Turn the ignition off.

Disconnect the TIPM C4 harness connector.

Measure the resistance between ground and the (L89) Front Left 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 (L89) Front Left Fog Lamp Control circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

B16F9-FRONT LEFT FOG LAMP CONTROL CIRCUIT HIGH

2007 Dodge Nitro R/T

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

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.

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: B16F9-FRONT LEFT 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 .

Possible Causes

CHECK (Z904) GROUND CIRCUIT
(Z904) GROUND CIRCUIT OPEN
CHECK (L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT
(L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT OPEN
(L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
FRONT LEFT FOG LAMP BULB
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

2) CHECK (Z904) GROUND CIRCUITS

Disconnect the Front Left Fog Lamp 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).

3) (Z904) GROUND CIRCUIT OPEN

Measure the resistance of the appropriate (Z904) Ground circuit(s) at the Front Left Fog Lamp harness
connector.

Is the resistance below 10.0 ohms?

Yes

Replace the Inoperative bulb in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Repair the appropriate (Z904) Ground circuit(s) for an open.

Perform BODY VERIFICATION TEST - VER 1 .

4) CHECK (L89) FRONT LEFT FOG LAMP CONTROL CIRCUIT

Turn the ignition on.

With a 12-volt test light connected to ground, check the (L89) Front Left Fog Lamp Control circuit.

Does the test light illuminate brightly with the fog lamp switch turned on, and shut off with the fog
lamps turned off?

Yes

Replace the Inoperative bulb in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1 .

2007 Dodge Nitro R/T

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