Pinpoint Test

CHECK THE COMMUNICATION NETWORK
1. Ignition ON.
2. Using a scan tool, perform the network test.
Does the SCCM pass the network test?
- Yes: INSTALL a new multifunction switch. REFER to STEERING COLUMN MULTIFUNCTION SWITCH . TEST the system for normal operation.
  If the concern still exists, INSTALL a new SCCM. REFER to STEERING COLUMN CONTROL MODULE (SCCM) .
- No: REFER to DIAGNOSTIC ROUTINE G : The Steering Column Control Module (SCCM) Does Not Respond To The Scan Tool.