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ABS DIAGNOSIS TSB Revision ANTI-LOCK BRAKING SYSTEM (ABS) 35B-21 STEP 8. Voltage measurement at the A-01 ABS-ECU ABS check harness (MB991974) to the ABS-ECU-side (2) Turn the ignition switch to the ON position. <LH> power supply terminal (signal terminal) No.18 and OK: Terminal No.18 and body ground: Approximately system voltage Terminal No.19 and body ground: 1 volt or less Q: Is the check result normal? YES : Go to Step 9. STEP 9. Wiring harness check between A-01 ABS-ECU • Check for open circuit in front wheel speed sensor <LH> cir- cuit Q: Is the check result normal? YES : Go to Step 10. STEP 10. Check for wheel speed sensor <FL> as a single . Q: Is the check result normal? YES : Go to Step 11. ). Then go to Step 13. STEP 11. Connector check: A-01 ABS-ECU connector, A-11 YES : Go to Step 12. AC611138 AF ABS-ECU MB991974 A-01 ABS-ECU Check harness |