Dodge Nitro. Manual — part 628

Disconnect the Park Lamp harness connector.

Measure the resistance of the (L17)(L217) Fused Park Lamp Control circuits between the Park Lamp
Harness Connectors and the TIPM C5 harness connector.

Does the ohm meter read open circuit?

Yes

Repair the (L17)(L217) Fused Park Lamp Control circuits for an open.

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 .

B166C-LEFT TRAILER TOW LAMP CONTROL CIRCUIT HIGH

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

The Totally Integrated Power Module (TIPM) detects an HIGH condition.

Diagnostic Test

1) TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all DTC's

Turn on the Left Turn Signal.

With the scan tool, read DTC's.

Possible Causes

(L673) LEFT TRAILER TOW LAMP CONTROL CIRCUIT OPEN
(L673) LEFT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

Does the scan tool display active: B166C-LEFT TRAILER TOW 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) (L673) LEFT TRAILER TOW LAMP CONTROL CIRCUIT OPEN

Turn the ignition off.

Disconnect the TIPM C6 harness connector.

Disconnect the Left Trailer Tow Lamp harness connectors.

Measure the resistance of the (L673) Left Trailer Tow Lamp Control circuit between the Left Trailer Tow
Lamp harness connectors and the TIPM C6 harness connector.

Does the ohm meter read open circuit?

Yes

Repair the (L673) Left Trailer Tow Lamp Control circuit for an open.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 3).

3) (L673) LEFT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE

Turn the ignition on.

Measure the voltage on the (L673) Left Trailer Tow Lamp Control circuit.

Is there any voltage present?

Yes

Repair the (L673) Left Trailer Tow Lamp Control circuit for a short to voltage.

2007 Dodge Nitro R/T

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

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 .

B166F-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT LOW

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

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 on the Right Turn Signal.

With the scan tool, read DTC's.

Does the scan tool display active: B166F-RIGHT TRAILER TOW 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

Possible Causes

(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORT TO GROUND
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

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) (L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORT TO GROUND

Turn the ignition off.

Disconnect the TIPM C6 harness connector.

Measure the resistance between ground and the (L674) Right Trailer Tow Lamp Control circuit.

Is the resistance above 10k ohms?

Yes

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

Perform BODY VERIFICATION TEST - VER 1 .

No

Repair the (L674) Right Trailer Tow Lamp Control circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

Continuously

Set Condition:

The Totally Integrated Power Module (TIPM) Detects a HIGH condition.

Diagnostic Test

1) TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

Possible Causes

(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN
(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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