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Intermittent failure may be present in the power supply system. Check the battery and
the alternator to confirm that normal direct voltage flows.
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- Malfunction of CAN bus line
- Defective battery
- Charging system failed
- Malfunction of the EPS-ECU
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Use M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
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Check the following service data .
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- Item No. B11: Odometer:rec.V1
- Item No. B12: Power relay voltage:rec V1
- Item No. B13: Vehicle speed:rec.V1
- Item No. B21: Odometer:rec.V2
- Item No. B22: Power relay voltage:rec V2
- Item No. B23: Vehicle speed:rec.V2
- Item No. B31: Odometer:rec.V3
- Item No. B32: Power relay voltage:rec V3
- Item No. B33: Vehicle speed:rec.V3
- Item No. B41: Odometer:rec.V4
- Item No. B42: Power relay voltage:rec V4
- Item No. B43: Vehicle speed:rec.V4
- Item No. B51: Odometer:rec.V5
- Item No. B52: Power relay voltage:rec V5
- Item No. B53: Vehicle speed:rec.V5
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Q.
Is the check result normal?
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Check the combination meter and repair if necessary (Refer to GROUP 54A-combination
meter ). Then go to Step 5.
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Start the engine and measure the battery voltage (Refer to GROUP 54A - Battery
Test ).
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Q.
Is the check result normal?
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Check the battery and repair if necessary (Refer to GROUP 54A - Charging
System , Removal and Installation ).
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Start the engine and measure the charging system (Refer to GROUP 16 - Charging
System ).
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Q.
Is the check result normal?
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Check the charging system and repair if necessary (Refer to GROUP 16 - Alternator
Assembly <1600 Petrol>, <1800,
2000 Petrol>, <Diesel>).
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent
Malfunction ).
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Replace the EPS-ECU (Refer to ).
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