Dodge Nitro. Manual — part 214

No

Perform ABS VERIFICATION TEST.

U1104-CAN C BUS CRC PERFORMANCE

Fig. 80: Dynamics Sensor Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

When Monitored:

With the ignition on.

Set Condition:

If the Anti-Lock Brakes Module detects an invalid CAN message from the Dynamics Sensor.

Diagnostic Test

1) VERIFY DTC IS ACTIVE

Turn the ignition on.

With the scan tool, read and record ABS DTCs.

With the scan tool, read and record Environmental Data (EV Data).

With the scan tool, erase ABS DTCs.

Cycle the ignition switch.

With the scan tool, read ABS DTCs.

Does this DTC reset?

Yes

Go to 2).

No

The condition that caused the symptom is currently not present. Inspect the related wiring for a
possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.

Refer to the ABS INTERMITTENT CONDITION.

2) CHECK THE DYNAMICS SENSOR INSTALLATION

Possible Causes

WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
(D52) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT SHORTED TO GROUND, VOLTAGE,
OR OPEN
(D51) DYNAMICS SENSOR LOW DATA LINK CIRCUIT SHORTED TO GROUND, VOLTAGE,
OR OPEN
DYNAMICS SENSOR INSTALLATION
DYNAMICS SENSOR

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Turn the ignition off.

Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.

Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.

Were any problems found?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 3).

3) INSPECT RELATED WIRING HARNESS, TERMINALS, & CONNECTORS

Visually inspect the related wiring harness. Look for any pinched, chafed, pierced, and partially broken
wires.

Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, and corroded
terminals.

Were any problems found?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 4).

4) CHECK THE (D52) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT FOR A SHORT TO
VOLTAGE

NOTE:

Dynamics Sensor installation and mounting bolt torque is crucial for
proper operation.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 81: Measuring Voltage Of (D52) Dynamics Sensor High Data Link Circuit
Courtesy of CHRYSLER LLC

Disconnect the Anti-Lock Brakes Module harness connector.

Disconnect the Dynamics Sensor harness connector.

Turn the ignition on.

Measure the voltage of the (D52) Dynamics Sensor High Data Link circuit.

Is there any voltage present?

Yes

Repair the (D52) Dynamics Sensor High Data Link circuit for a short to voltage.

Perform ABS VERIFICATION TEST.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro