|
|
TROUBLESHOOTING ANTI-SKID BRAKING SYSTEM (ABS) 35B-19 Code No.16: ABS-ECU Power Supply System (abnormal voltage drop or rise) OPERATION The ABS-ECU power is supplied to the ABS-ECU DIAGNOSIS CODE SET CONDITIONS Output is provided when ABS-ECU power supply PROBABLE CAUSES The most likely causes for this diagnosis code to set • Malfunction of battery • Damaged wiring harness and connector • Malfunction of brake modulator hydraulic unit and ABS-ECU DIAGNOSIS STEP 1. Check the battery. − On-vehicle Service − Battery Test Q: Is the battery damaged? YES : Charge or replace the battery and then go to Step 5. NO : Go to Step 2. STEP 2. Check the charging system. − On-vehicles Service Q: Is the charging system damaged? YES : Repair the Charging System and then go to Step 5. NO : Go to Step 3. IGNITION ABS-ECU POWER Wire colour code Power Supply Circuit |