Pinpoint Tests AB: The Service RSC Now Warning Is Inoperative/Always On
Instrumentation, Message Center and Warning Chimes
Pinpoint Tests
Pinpoint Test AB: The SERVICE RSC NOW Warning Is Inoperative/Always On
Normal Operation
The Instrument Cluster (IC) receives the Roll Stability Control (RSC(R)) status over the High Speed Controller Area Network (HS-CAN) communication bus. When the ABS module detects a RSC(R) system fault, the ABS module sends a message to the IC to turn on the SERVICE RSC NOW message and sound the service RSC(R) warning chime.
This pinpoint test is intended to diagnose the following:
- Message center concern
- RSC(R) system concern
- IC
PINPOINT TEST AB: THE SERVICE RSC NOW MESSAGE IS INOPERATIVE/ALWAYS ON
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AB1 CHECK THE MESSAGE CENTER OPERATION
- Close all doors, liftgate and hood.
- Ignition ON.
- Open the driver door while monitoring the message center displays.
- Does the message center display DRIVER DOOR AJAR?
Yes
GO to AB2.
No
Go To Pinpoint Test AA. Pinpoint Tests AA: The Message Center Is Not Operating Correctly
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AB2 CHECK THE TRACTION ASSIST WARNING INDICATOR AND SERVICE RSC WARNING CHIME OPERATION
- Ignition OFF.
- Close the driver door.
- Ignition ON.
- Monitor the service RSC(R) warning chime.
- Does the service RSC(R) warning chime sound?
Yes
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.
No
GO to AB3.
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AB3 RETRIEVE THE RECORDED DTCs FROM THE ABS MODULE SELF-TEST
- Check for recorded DTCs from the ABS module self-test.
- Are any DTCs recorded?
Yes
Refer to Antilock Brakes / Traction Control Systems. Testing and Inspection
No
The system is operating normally at this time. The SERVICE RSC NOW message turns on and the service RSC(R) warning chime sounds when a fault is detected in the RSC(R) system.
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