Chrysler 2005 Crossfire SRT6 Service Manual page 456

5 - 290 BRAKES - ABS ELECTRICAL DIAGNOSTICS
1210-CAB SYSTEM UNDERVOLTAGE (CONTINUED)
When Monitored and Set Condition
• When Monitored: Ignition on. The Controller Antilock Brake (CAB) monitors the Fused B(+) circuit voltage
above 10 km/h (6 MPH) every 7 milliseconds for proper system voltage.
• Set Condition: If the voltage is below 9.5 volts, the Diagnostic Trouble Code (DTC) is set.
BATTERY VOLTAGE LOW
FUSED B(+) CIRCUIT OPEN
CONTROLLER ANTILOCK BRAKE (CAB)
For a complete Brake Assist System (BAS) Circuit Diagram (Refer to 5 - BRAKES/ELECTRICAL - SCHEMATICS
AND DIAGRAMS).
Diagnostic Test
1.
WITH THE DRB III , READ DTCs
Turn the ignition on.
With the DRB III , erase DTCs.
Turn the ignition off.
Turn the ignition on.
Start the engine.
Drive the vehicle above 16 km/h (10 MPH) for at least 20 seconds.
Stop the vehicle.
With the DRB III , read DTCs.
Does the DRB III display a System Undervoltage DTC?
Yes >> Go to 2
No >> The condition that caused this DTC to set is currently not
present. Inspect the related wiring harness for a possible intermittent condition.
2.
MEASURE THE BATTERY VOLTAGE
Start the engine.
Measure the battery voltage with the engine running.
Is the battery voltage below 10 volts?
Yes >> Refer to the appropriate service information for charging
system testing and repair.
Perform ABS VERIFICATION TEST.
No >> Go to 3
POSSIBLE CAUSES
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