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HEADLAMP CHASSIS ELECTRICAL 54A-102 Code No. B2512 ECU internal error (EEPROM) CAUTION Before replacing the ECU, ensure that the power JUDGEMENT CRITERIA PROBABLE CAUSE DIAGNOSIS PROCEDURE Check whether the diagnosis code is reset. position to "ON" position. (3) Check if diagnosis code is set. Q: Is the diagnosis code set? YES : Replace the headlamp automatic levelling- ECU. NO : The trouble can be an intermittent − How to use Troubleshooting/inspection Service − How to Cope with Intermittent Malfunction ). Code No.U0001 Bus off (CAN-C) CAUTION • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the DIAGNOSTIC FUNCTION JUDGEMENT CRITERIA PROBABLE CAUSES • Malfunction of the headlamp automatic levelling- ECU • Malfunction of wiring harness or connector DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics Q: Is the check result normal? YES : Go to Step 2. NO : Repair the CAN bus line (Refer to GROUP − Troubleshooting ). STEP 2. Check whether the diagnosis code is position to "ON" position. (3) Check if diagnosis code is set. Q: Is the diagnosis code set? YES : Replace the headlamp automatic levelling- ECU. NO : The trouble can be an intermittent − How to use Troubleshooting/inspection Service − How to Cope with Intermittent Malfunction ). |