B2515

Diagnostic Chart:

Wiring Diagram:

Circuit Description:
The IPC monitors the Steering Wheel Controls by discrete input to connector C2 Terminal "B11." The IPC interprets this input and issues the appropriate Class 2 message.

DTC Will Set When:
The received value falls outside of the set range for any command.

Troubleshooting Hints:
1. Check for binding, sticking or broken steering wheel touch controls.
2. Check CKT 1796 (DK BLU) for an short or open and that connector C202 terminal "A1" is Clean and tight.
3. Each steering wheel control switch has a unique resistance. These resistance Values may be measured by disconnecting C202 and placing an ohmmeter across connector C202 Terminals "A1" and "A4", then Closing the switch being tested.