|
|
HEADLAMP AUTOMATIC LEVELLING SYSTEM CHASSIS ELECTRICAL 54A-125 STEP 7. Check the headlamp assembly (RH). connector. (2) Turn the ignition switch from "LOCK" (OFF) position to "ON" position. (3) Perform the drive test using the M.U.T.-III. Refer to . Q: Is the check result normal? YES : Go to Step 8. NO : Replace the headlamp assembly (RH). STEP 8. Check whether the diagnosis code is Q: Is diagnosis code No. B2514 set? YES : Replace the ETACS-ECU. NO : The diagnosis is complete. Code No. B2514 Height sensor supply voltage CAUTION • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the • When the ETACS-ECU of vehicles without KOS is replaced, the encrypted code of the − How to Register Key ID DIAGNOSTIC FUNCTION If a trouble occurs in height sensor, code No. B2514 JUDGEMENT CRITERIA The ETACS-ECU detects the power supply error of PROBABLE CAUSES • Malfunction of the front height sensor • Malfunction of the rear height sensor • Malfunction of the ETACS-ECU • Damaged harness wires and connectors DIAGNOSIS PROCEDURE STEP 1. Voltage measurement at front height wiring harness-side connector. (2) Turn the ignition switch to the ON position. sensor connector (SBF terminal) and body earth. OK: 5 V Q: Is the check result normal? YES : Go to Step 3. NO : Go to Step 2. STEP 2. Check of short to power supply, short to Q: Is the check result normal? YES : Go to Step 3. NO : Repair the connector(s) or wiring harness. STEP 3. Check whether the diagnosis code is Q: Is diagnosis code No. B2514 set? YES : Go to Step 4. NO : The trouble can be an intermittent − How to use Troubleshooting/inspection Service − How to cope with Intermittent Malfunctions ). STEP 4. Voltage measurement at rear height wiring harness-side connector. (2) Turn the ignition switch to the ON position. sensor connector (SBR terminal) and body earth. OK: 5 V Q: Is the check result normal? YES : Go to Step 6. NO : Go to Step 5. STEP 5. Check of short to power supply, short to Q: Is the check result normal? |