CAN

MAIN LINE BETWEEN DLC AND HVAC CIRCUIT





Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
- ECM
- A/C auto amp.
4. Check the continuity between the data link connector and the A/C auto amp. harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the data link connector and the A/C auto amp.
NO - Repair the main line between the data link connector and the A/C auto amp.