Chrysler 2005 Crossfire SRT6 Service Manual page 378

5 - 212 BRAKES - ABS ELECTRICAL DIAGNOSTICS
1131-RIGHT REAR WHEEL SPEED SENSOR ERRATIC SIGNAL (CONTINUED)
When Monitored and Set Condition
• When Monitored: The Controller Antilock Brake (CAB) monitors the wheel speed circuit every 7 milliseconds
(ms).
• Set Condition: The Controller Antilock Brake (CAB) will set this DTC if the speed signal is missing or erratic.
DEFECTIVE WHEEL SPEED SENSOR
MISSING SENSOR OR TONE WHEEL
EXCESSIVE AIR GAP
INCORRECT NUMBER OF TEETH ON TONE WHEEL
For a complete Antilock Brake System (ABS) Circuit Diagram (Refer to 5 - BRAKES/ELECTRICAL - SCHEMATICS
AND DIAGRAMS).
1.
VISUALLY INSPECT COMPONENTS FOR DAMAGE AND CORRECT INSTALLATION
Visually inspect the related wiring harness and connectors. Look for any chafed, pierced, pinched, or partially bro-
ken wires. Look for broken, bent, pushed out, or corroded terminals.
Visually inspect the Right Rear Wheel Speed Sensor, connector and tone wheel for damage and correct installation.
Are there any visible Sensor, connector or tone wheel concerns?
Yes >> Correct the sensor, connector or tone wheel concerns as necessary.
Perform ABS VERIFICATION TEST.
No >> Go to 2
2.
MONITOR ALL WHEEL SPEED SENSORS WITH THE DRB III
With the DRB III , erase DTCs.
Start the engine.
With an assistant to drive, use the DRB III to monitor all wheel speed
sensors. Slowly accelerate as straight as possible from a stop to 24
km/h (15 MPH).
Is the Right Rear Wheel Speed Sensor Signal 0 or differing
from others by more than 5 km/h (3 MPH)?
Yes >> Replace the Right Rear Wheel Speed Sensor. (Refer to 5
- BRAKES/ELECTRICAL/FRONT WHEEL SPEED SEN-
SOR - REMOVAL).
Perform ABS VERIFICATION TEST.
No >> Inspect and repair the related wiring harness for a possible
intermittent condition.
Perform ABS VERIFICATION TEST.
POSSIBLE CAUSES
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