Dodge Nitro. Manual — part 617

Disconnect the Left Headlamp harness connector.

Measure the resistance between ground and the (L43) Left Low Beam 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 (L43) Left Low Beam Control circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

B162C-LT LOW BEAM CONTROL CKT HI

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

Continuously.

Set Condition:

When the Totally Integrated Power Module (TIPM) detects an OPEN condition when the low beam is on.

Diagnostic Test

1) INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all DTC's.

Turn the Headlamps on.

Possible Causes

CHECK (L911) LEFT HEADLAMP RETURN SIGNAL
(L911) LEFT HEADLAMP RETURN SIGNAL
CHECK (L43) LEFT LOW BEAM CONTROL CIRCUIT
(L43) LEFT LOW BEAM CONTROL CIRCUIT OPEN
LEFT LOW BEAM BULB
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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

With the scan tool, read DTC's.

Does the scan tool display active: B162C-LEFT LOW BEAM 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 (L911) LEFT HEADLAMP RETURN SIGNAL

Turn the ignition off.

Disconnect the Left Low Beam Lamp harness connector.

With a 12-volt test light connected to 12-volts, probe the (L911) left headlamp return signal circuit.

Does the test light illuminate brightly?

Yes

Go to 4).

No

Go to 3).

3) (L911) LEFT HEADLAMP RETURN SIGNAL

Measure the resistance of the (L911) left headlamp return signal circuit at the Left Low Beam 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

2007 Dodge Nitro R/T

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

Repair the (L911) left headlamp return signal circuit for an open.

Perform BODY VERIFICATION TEST - VER 1 .

4) CHECK (L43) LEFT LOW BEAM CONTROL CIRCUIT

Fig. 2: Checking (L43) Left Low Beam Control Circuit
Courtesy of CHRYSLER LLC

Turn the ignition on.

With a 12-volt test light connected to ground, check the (L43) Left Low Beam Control circuit.

Does the test light illuminate brightly with the headlamps switch turned on, and shut off with the
headlamps turned off?

Yes

Replace the Inoperative bulb in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 5).

5) (L43) LEFT LOW BEAM CONTROL CIRCUIT OPEN

Turn the ignition off.

Disconnect the TIPM C3 harness connector.

Measure the resistance of the (L43) Left Low Beam Control circuit between the Left Low Beam harness

2007 Dodge Nitro R/T

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

connector and the TIPM C3 harness connector.

Is the resistance below 10.0 ohms?

Yes

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

Perform BODY VERIFICATION TEST - VER 1 .

No

Repair the (L43) Left Low Beam Control circuit for an open.

Perform BODY VERIFICATION TEST - VER 1 .

B162F-RIGHT LOW BEAM CONTROL CIRCUIT LOW

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the Headlamps activated.

Set Condition:

When the Totally Integrated Power Module (TIPM) detects a SHORT condition when the right low beam
is on.

Diagnostic Test

1) INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all DTC's.

Turn the Headlamps on.

With the scan tool, read DTC's.

Does the scan tool display active: B162F-RIGHT LOW BEAM CONTROL CIRCUIT LOW?

Possible Causes

(L44) RIGHT LOW BEAM CONTROL CIRCUIT SHORT TO GROUND
RIGHT LOW BEAM BULB
TOTALLY INTEGRATED POWER MODULE

2007 Dodge Nitro R/T

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