Dodge Nitro. Manual — part 625

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 (Z910) GROUND CIRCUITS

Turn the ignition off.

Disconnect the Left Rear Turn Signal Lamp assembly harness connector.

With a 12-volt test light connected to 12-volts, probe each (Z910) Ground circuit.

Does the test light illuminate brightly on each ground circuit?

Yes

Go to 4).

No

Go to 3).

3) (Z910) GROUND CIRCUIT OPEN

Measure the resistance of the appropriate (Z910) Ground circuit(s) at the Left Rear Turn Signal Lamp
assembly 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 (Z910) Ground circuit(s) for an open.

Perform BODY VERIFICATION TEST - VER 1 .

4) CHECK (L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT

Turn the ignition on.

With the Left Turn Signal still on and a 12-volt test light connected to ground, check the (L63) Left Rear
Turn Signal Control circuit.

Does the test light blink brightly from on to off with the turn signal indicator?

2007 Dodge Nitro R/T

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

Yes

Replace the Inoperative bulb in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 5).

5) (L63) LEFT TURN SIGNAL CONTROL CIRCUIT OPEN

Turn the ignition off.

Disconnect the TIPM C7 harness connector.

Measure the resistance of the (L63) Left Rear Turn Signal Control circuit between the Left Rear Tail
Lamp assembly harness connector and the TIPM C7 harness connector.

Is the resistance below 10.0 ohms?

Yes

Go to 6).

No

Repair the (L63) Left Rear Turn Signal Control circuit for an open.

Perform BODY VERIFICATION TEST - VER 1 .

6) (L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE

Turn the ignition on.

Measure for voltage on the (L63) Left Rear Turn Signal Control circuit.

Is there any voltage present?

Yes

Repair short to voltage on the (L63) Left Rear Turn Signal Control circuit.

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 .

2007 Dodge Nitro R/T

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

B1644-RIGHT STOP 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.

Diagnostic Test

1) TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all DTC's

Turn the Stop Lamps on.

With the scan tool, read DTC's.

Does the scan tool display active: B16B5-RIGHT STOP 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 (Z920) GROUND CIRCUIT
(Z920) GROUND CIRCUIT OPEN
CHECK (L54) RIGHT STOP LAMP CONTROL CIRCUIT
(L54) RIGHT STOP LAMP CONTROL CIRCUIT OPEN
(L54) RIGHT STOP LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
RIGHT STOP LAMP BULB
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

2) CHECK (Z920) GROUND CIRCUITS

Disconnect the Right Rear Tail Lamp harness connector.

With a 12-volt test light connected to 12-volts, probe each (Z920) Ground circuit.

Does the test light illuminate brightly on each ground circuit?

Yes

Go to 4).

No

Go to 3).

3) (Z920) GROUND CIRCUIT OPEN

Measure the resistance of the appropriate (Z920) Ground circuit(s) at the Right Rear Tail Lamp assembly
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 (Z920) Ground circuit(s) for an open.

Perform BODY VERIFICATION TEST - VER 1 .

4) CHECK (L54) RIGHT STOP LAMP CONTROL CIRCUIT

Turn the ignition on.

With the Stop Lamps still on and a 12-volt test light connected to ground, check the (L54) Right Stop
Lamp Control circuit.

Does the test light illuminate brightly?

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