

OPERATION
FUNCTION
TROUBLE JUDGMENT
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III data list.


Q.
Is the check result normal?


STEP 2. Connector check: A-134 power steering pressure switch connector

Q.
Is the check result normal?

STEP 3. Check power steering pressure switch itself.
Q.
Is the check result normal?

STEP 4. Check at A-134 power steering fluid pressure switch connector.

Q.
Is the check result normal?


STEP 5. Connector check: C-103 engine-ECU connector

Q.
Is the check result normal?

STEP 6. Check harness between C-103 (terminal No. 127) engine-ECU connector and A-134 (terminal No. 1) power steering fluid pressure switch connector.


Q.
Is the check result normal?



STEP 7. M.U.T.-III data list.


Q.
Is the check result normal?



