Dodge Nitro. Manual — part 203

Turn the ignition on.

Measure the voltage between the (D65) CAN C Bus (+) circuit and ground.

Is there any voltage present?

Yes

Repair the (D65) CAN C Bus (+) circuit for a short to voltage.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 12).

12) (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE

Fig. 62: Measuring Voltage Between (D64) CAN C Bus (-) Circuit And Ground
Courtesy of CHRYSLER LLC

Measure the voltage between the (D64) CAN C Bus (-) circuit and ground.

Is there any voltage present?

Yes

Repair the (D64) CAN C Bus (-) circuit for a short to voltage.

Perform BODY VERIFICATION TEST - VER 1 .

No

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Go to 13).

13) (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND

Fig. 63: Measuring Resistance Between Ground And (D65) CAN C Bus (+) Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Measure the resistance between ground and the (D65) CAN C Bus (+) circuit.

Is any resistance present?

Yes

Repair the (D65) CAN C Bus (+) circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 14).

14) (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 64: Measuring Resistance Between Ground And (D64) CAN C Bus (-) Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between ground and the (D64) CAN C Bus (-) circuit.

Is any resistance present?

Yes

Repair the (D64) CAN C Bus (-) circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 15).

15) (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 65: Measuring Resistance Between (D65) CAN C Bus (+) Circuit And (D64) CAN C Bus (-)
Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between the (D65) CAN C Bus (+) circuit and the (D64) CAN C Bus (-) circuit.

Is any resistance present?

Yes

Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit.

Perform BODY VERIFICATION TEST - VER 1 .

No

Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the
Totally Integrated Power Module in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

U0100-LOST COMMUNICATION WITH ECM/PCM

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on

Battery voltage between 10 and 16 volts

IOD fuse installed

Set Condition:

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro