DTC DETECTION LOGIC

DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause
B2553 | IGNITION RELAY | BCM detects a difference of signal for 2 seconds or more between the following information.

- Ignition relay (fuse block) ON/OFF operation
- Ignition relay (fuse block) feedback.

- Harness or connectors
  (ignition relay feedback circuit is open or short)
- Fuse
- Ignition relay
- IPDM E/R

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions (start the engine), and wait for at least 2 seconds.

- Shift lever is in the P or N position.
- Do not depress brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?
YES>>Go to Diagnosis Procedure.
NO>>INSPECTION END