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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal engine control relay side power supply line and body earth.
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Q.
Is the check result normal?
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![](../../../buttons/03btn002.png)
Repair or replace the connector, or check and repair harness between glow control unit connector terminal and engine control relay connector terminal.
- Check power supply line for open/short circuit.
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- Remove the glow control unit, and measure the relay box side.
- Resistance between terminal earthing line and body 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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![](../../../buttons/03btn002.png)
Check and repair harness between glow control unit connector and body earth.
- Check earthing line for open circuit and damage.
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- Check signal line for open/short circuit and damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Check signal line for open/short circuit and damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Check power supply line for damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Reconfirmation of diagnosis code.
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Q.
Is the diagnosis code set?
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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 glow control unit, reconfirm whether the diagnosis code is set.
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Q.
Is the diagnosis code set?
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