The Mode Changes Between ACC and ON, But It Is Difficult to Change to OFF (With Keyless Access System)
The mode changes between ACC and ON, but it is difficult to change to OFF
Diagnostic Procedure:
1. Check the power control unit Testing and Inspection
2. Check the keyless access control unit Testing and Inspection
3. Check the remote slot control unit Testing and Inspection
4. Check the gauge control module Gauge Control Module Input Test
Also check for:
- Gauge control module
- Keyless access control unit
- Remote slot control unit
- Power control unit
- PCM
- B-CAN communication line open/short
- F-CAN communication line open/short
- Speed signal line open