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- The on board charger is failed.
- The relay of the on board charger is failed.
- Open circuits of on board charger power supply, short circuits to earth or damage;
poor contact of connector
- The EV-ECU is failed.
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- Check auxiliary battery (Refer to GROUP 54A - Auxiliary Battery - On-vehicle
Service - Battery Test
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Q.
Is the check result normal?
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 Replace the auxiliary battery.
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Q.
Is the check result normal?
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Check on board charger relay itself (Refer to ).
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Q.
Is the check result normal?
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Replace the on board charger relay.
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- Remove the relay, and measure at relay box side.
- Voltage between terminal No. 4 and earth.
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Q.
Is the check result normal?
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Check and repair harness between A-06X (terminal No.
4) on board charger relay connector and auxiliary battery.
- Check power supply line for open circuit, short circuit to earth.
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- Remove the relay, and measure at relay box side.
- Electric motor switch: ON
- Voltage between terminal No. 3 and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Check and repair harness between A-08X (terminal No.
1) EV control relay connector and A-06X (terminal No. 3) on board charger relay connector.
- Check power supply line for open circuit, short circuit to earth.
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Q.
Is the check result normal?
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- Disconnect connector, and measure at harness side.
- Electric motor switch: ON (Do not connect the M.U.T.-III with the diagnosis connector.)
- Voltage between terminal No. 66 and earth.
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Q.
Is the check result normal?
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Check intermediate connector B-27, and repair
if necessary. If intermediate connector is normal, check and repair harness between A-06X (terminal
No. 2) on board charger relay connector and C-108 (terminal No. 66) EV-ECU connector.
- Check power supply line for open circuit, short circuit to earth.
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- Check power supply line for damage.
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Q.
Is the check result normal?
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- Check power supply line for damage.
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Q.
Is the check result normal?
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- Check power supply line for damage.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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- Check power supply line for open circuit, short circuit to earth and damage
to earth.
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Q.
Is the check result normal?
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- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 10 and earth.
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OK: Continuity (2 Ω or less)
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Q.
Is the check result normal?
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Check intermediate connector C-104, and repair
if necessary. If intermediate connector is normal, check and repair harness between E-03 (terminal No.
10) on board charger/DC-DC converter connector and body earth.
- Check earthing line for open circuit and damage.
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Q.
Is the check result normal?
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- Disconnect terminal, and measure at harness side.
- Resistance between terminal and earth.
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OK: Continuity (2 Ω or less)
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Q.
Is the check result normal?
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Check and repair harness between earth cable terminal
and body earth.
- Check earthing line for open circuit and damage.
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- Disconnect connector, and measure at harness side.
- Voltage between terminal No. 7 and earth.
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Q.
Is the check result normal?
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Check intermediate connector C-107, and repair
if necessary. If intermediate connector is normal, check and repair harness between E-03 (terminal No.
7) on board charger/DC-DC converter connector and auxiliary battery.
- Check power supply line for open circuit, short circuit to earth.
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- Check power supply line for damage.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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- Check signal line for damage.
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Q.
Is the check result normal?
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Q.
Does the trouble symptom persist?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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- After replacing the on board charger/DC-DC converter, the malfunction phenomenon
reoccurs or not.
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Q.
Does the trouble symptom persist?
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