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- Check battery (Refer to GROUP 54A - Battery - On-vehicle Service - Battery
Test ).
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Q.
Is the check result normal?
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OK:
ON (ignition switch: ST) OFF (ignition switch: ON)
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Q.
Is the check result normal?
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|
- Disconnect connector, and measure at harness side.
- Ignition switch: ST
- Voltage between terminal ST and body earth.
|
|
Q.
Is the check result normal?
|
|
- Disconnect connector, and measure at harness side.
- Ignition switch: ST
- Voltage between terminal ST and body earth.
|
|
Q.
Is the check result normal?
|
|
Go to Step 5 <Vehicles without KOS>.
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|
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NO : Go to Step 6 <Vehicles with KOS>.
|
|
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|
- Ignition switch connector check.
- Check ignition switch itself (Refer to GROUP 54A - Ignition Switch - Ignition
Switch Check ).
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Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair the harness between ignition switch connector terminal and ETACS-ECU connector terminal
ST.
- Check power supply line for open/short circuit.
|
|
|
|
Replace the ignition switch.
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|
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|
- Check power supply line for open/short circuit.
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|
Q.
Is the check result normal?
|
|
Perform troubleshooting of OSS System (Refer to GROUP 42B - Troubleshooting - Trouble
Symptom Chart ).
|
|
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- ETACS-ECU connectors check.
- Disconnect connectors, and measure at ETACS-ECU side.
- Continuity check between terminal ST and ST2.
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|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair the harness between ETACS-ECU connector terminal ST2 and engine-ECU connector terminal ST.
- Check power supply line for open/short circuit.
|
|
|
|
- ETACS-ECU connectors check.
- Disconnect connectors, and measure at ETACS-ECU side.
- Continuity check between terminal ST and ST2.
|
|
Q.
Is the check result normal?
|
|
Go to Step 9 <Vehicles without KOS>.
|
|
|
|
YES : Go to Step 10 <Vehicles with KOS>.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
OK:
ON (ignition switch: ST) OFF (ignition switch: ON)
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
|
|
|
|
- Starter relay connector check.
- Check starter relay itself (Refer to GROUP 16 - Starting System - On-vehicle
Service - Starter Relay Continuity Check ).
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or replace the starter relay.
|
|
|
|
- Remove relay, and measure at relay box side.
- Resistance between terminal earth line and body earth.
|
|
OK: Continuity (2 Ω or less)
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between starter relay connector terminal and body earth.
- Check earthing line for open circuit and damage.
|
|
|
|
- Remove relay, and measure at relay box side.
- Ignition switch: ST
- Voltage between terminal signal line and body earth.
|
|
Q.
Is the check result normal?
|
|
- Clutch interlock switch connector check.
- Check clutch interlock switch itself (Refer to GROUP 21A - Clutch Pedal - Inspection ).
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or replace the clutch interlock switch.
|
|
|
|
- Check signal line for open/short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check signal line for open/short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check signal line for short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
OK:
ON (ignition switch: ST) OFF (ignition switch: ON)
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
|
|
|
|
- Remove relay, and measure at relay box side.
- Voltage between terminal power supply line and body earth.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between battery and starter relay connector terminal.
- Check power supply line for open/short circuit.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Ignition switch: ST
- Voltage between terminal power supply line and body earth.
|
|
Q.
Is the check result normal?
|
|
- Check output line for open/short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Clutch interlock switch connector check.
- Check clutch interlock switch itself (Refer to GROUP 21A - Clutch Pedal - Inspection ).
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or replace the clutch interlock switch.
|
|
|
|
- Check signal line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between engine-ECU connector terminal STRL and clutch interlock switch connector terminal.
- Check signal line for damage.
|
|
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Check output line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Disconnect terminal, and measure at harness side.
- Voltage between terminal power supply line and body earth.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between battery and starter terminal.
- Check power supply line for open/short circuit.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|