Diagnosis Procedure
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK SELF-DIAGNOSIS RESULTS
Check if "U1000" is detected other than "C1A06" in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES
Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to DTC LOGIC .
NO
GO TO STEP 2.
- CHECK ICC STEERING SWITCH
- Turn the ignition switch OFF.
- Disconnect the ICC steering switch connector.
- Check the ICC steering switch. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 3.
NO
Replace the ICC steering switch.
- CHECK HARNESS BETWEEN SPIRAL CABLE AND ECM
- Disconnect the ECM connector.
- Check for continuity between the spiral cable harness connector and ECM harness connector.
Spiral cable ECM Continuity Connector Terminal Connector Terminal M30 25 E16 (for Mexico) 101 Yes 32 108 25 E32 (except for Mexico) 134 32 135 - Check for continuity between spiral cable harness connector and ground.
Spiral cable Ground Continuity Connector Terminal M30 25 No 32
Is the inspection result normal?
YES
GO TO STEP 4.
NO
Repair the harnesses or connectors.
- CHECK SPIRAL CABLE
Check for continuity between spiral cable terminals.
Spiral cable Continuity Terminal 13 25 Yes 16 32 Is the inspection result normal?
YES
GO TO STEP 5.
NO
Replace the spiral cable.
- PERFORM SELF-DIAGNOSIS OF ECM
- Connect the connectors of ICC steering switch and ECM connector.
- Turn the ignition switch ON.
- Perform "All DTC Reading".
- Check if any DTC is detected in "Self Diagnostic Result" of "ENGINE".
Is any DTC detected?
YES
Perform self-diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX (except for Mexico) or .
NO
Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .