TROUBLESHOOTING HINTS
The most likely causes for DTC is to set are
- Malfunction of battery
- Damaged wiring harness and connector
- Malfunction of hydraulic unit and ABS-ECU
Required Special Tool
- MB991502: Scan tool (MUT-II)
Scheme 275
Scheme 276
Scheme 277
- STEP 1. Check the battery. Refer to Battery - On-vehicle Service - BATTERY TESTING PROCEDURE . Q: Is the battery damaged? YES: Charge or replace the battery and then go to Step 4 . NO: Go to Step 2.
- STEP 2. Check the charging system. Refer to CHARGING SYSTEM DIAGNOSIS . Q: Is the charging system damaged? YES: Repair the Charging System and then go to Step 4 . NO: Go to Step 3.
- STEP 3. Check the harness wires between junction block connector C-211 terminal 2 and ABS-ECU connector B-118 terminal 20. NOTE: After inspecting intermediate connector C-210 and C-122, inspect the wire. If intermediate connector C-210 and C-122 is damaged, repair or replace it. Refer to «HARNESS CONNECTOR INSPECTION»(ref-203949-S19018080672005110700000) . If the connector has been repaired or replaced, go to Step 4. Q: Is the harness wire between junction block connector C-211 terminal 2 and ABS-ECU connector B-118 terminal 20 damaged? YES: Repair it and go to Step 4. NO: Repair the hydraulic unit (integrated with ABS-ECU) and then go to Step 4.
- STEP 4. Check the diagnostic trouble code. Q: Does DTC 16 reset? YES: Start over at Step 1 . NO: The procedure is complete.