

TROUBLE JUDGMENT
COMMENT ON TROUBLE SYMPTOM
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. Connector check: C-39 rain light sensor connector

Q.
Is the check result normal?

STEP 2. Voltage measurement at C-39 rain light sensor connector.


Q.
Is the check result normal?


STEP 3. Check the wiring harness between C-39 rain light sensor connector terminal No.1 and the fusible link (1).




Q.
Is the check result normal?

STEP 4. Resistance measurement at the C-39 rain light sensor connector.


Q.
Is the check result normal?


STEP 5. Check the wiring harness between C-39 rain light sensor connector terminal No.3 and the body earth.





Q.
Is the check result normal?

STEP 6. Connector check: B-233 ETACS-ECU connector


Q.
Is the check result normal?

STEP 7. Check the wiring harness from B-233 ETACS-ECU connector terminal No. 54 to C-39 rain light sensor connector terminal No. 2.





Q.
Is the check result normal?

STEP 8. Check whether the diagnosis code is reset.
Q.
Is the diagnosis code set?
