STEP 1. ASC OFF switch check
STEP 2. Connector check: C-01 grounding connector, C-27 intermediate connector, C-43 intermediate connector, C-30 ASC OFF switch connector, C-108 joint connector (4), C-412 ETACS-ECU connector
STEP 3. Wiring harness check between C-412 ETACS-ECU connector terminal No.15 and C-30 ASC OFF switch connector terminal No.1
STEP 4. Wiring harness check between C-30 ASC OFF switch connector terminal No.2 and the body ground
STEP 5. Retest the system.
STEP 6. Retest the system.