STEP 1. Connector check: C-146 intermediate connector.
STEP 2. Resistance measurement at C-146 intermediate connector.
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the connector, and measure at its female-side intermediate connector (at the front wiring harness side).
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between C-146 intermediate connector terminal Nos.17 and 18OK: 120 ± 20 ohms
Is the check result normal?
<Within 120 ± 20 ohms> Go to Step 12. <Not within 120 ± 20 ohms> Go to Step 3.
STEP 3. Connector check: joint connector (CAN6) and joint connector (CAN9).
STEP 4. Resistance measurement at joint connector (CAN6).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN6) terminal Nos.6 and 8OK: 120 ± 20 ohms
Is the check result normal?
<Within 120 ± 20 ohms> Go to Step 6. <Not within 120 ± 20 ohms> Go to Step 5.
STEP 5. Resistance measurement at BMU connector.
STEP 6. Resistance measurement at joint connector (CAN9).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN9) terminal Nos.6 and 8OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Go to Step 8. <Less than 1 kΩ> Go to Step 7.
STEP 7. Resistance measurement at electric heater connector.
STEP 8. Resistance measurement at joint connector (CAN6).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN6) terminal Nos.5 and 7OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Go to Step 10. <Less than 1 kΩ> Go to Step 9.
STEP 9. Resistance measurement at REMCU connector.
STEP 10. Resistance measurement at joint connector (CAN6).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN6) terminal Nos.1 and 3OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN6) and joint connector (CAN9) or joint connector (CAN9) and C-146 intermediate connector. <Less than 1 kΩ> Go to Step 11.
STEP 11. Resistance measurement at on board charger/DC-DC converter connector.
STEP 12. Resistance measurement at joint connector (CAN1) and joint connector (CAN2).
STEP 13. Resistance measurement at joint connector (CAN2).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect joint connector (CAN2), and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN2) terminal Nos.11 and 22OK: 120 ± 20 ohms
Is the check result normal?
: <Within 120 ± 20 ohms> Go to Step 15. : <Not within 120 ± 20 ohms> Go to Step 14.
STEP 14. Resistance measurement at PHEV-ECU connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the PHEV-ECU, and measure at the equipment side.
(2) Resistance between PHEV-ECU connector terminal Nos.53 and 52OK: 120 ± 20 ohms
caution | The test wiring harness should be used. For details refer to . |
Is the check result normal?
<Within 120 ± 20 ohms> Repair the wiring harness between joint connector (CAN2) and the PHEV-ECU connector. <Not within 120 ± 20 ohms> Check the PHEV-ECU connector, and repair if necessary. If the PHEV-ECU connector is in good condition, replace the PHEV-ECU.
STEP 15. Resistance measurement at joint connector (CAN1).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect joint connector (CAN1), and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN1) terminal Nos.7 and 16OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Go to Step 17. <Less than 1 kΩ> Go to Step 16.
STEP 16. Resistance measurement at electrical parking driver unit connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the electrical parking driver unit, and measure at the equipment side.
(2) Resistance at electrical parking driver unit connector terminal Nos.37 and 38OK: 1 kΩ or more
caution | The test wiring harness should be used. For details refer to . |
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN1) and the electrical parking driver unit connector. <Less than 1 kΩ> Check the electrical parking driver unit connector, and repair if necessary. If the electrical parking driver unit connector is in good condition, replace the electrical parking driver unit.
STEP 17. Resistance measurement at joint connector (CAN2).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect joint connector (CAN2), and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN2) terminal Nos.9 and 20OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Go to Step 19. <Less than 1 kΩ> Go to Step 18.
STEP 18. Resistance measurement at power drive unit connector.
STEP 19. Resistance measurement at joint connector (CAN2).
caution | A digital multimeter should be used. For details refer to . |
caution | The test wiring harness should be used. For details refer to . |
(1) Disconnect the joint connector (CAN2), and measure at the wiring harness side.
(2) Turn off the power supply mode of the electric motor switch.
(3) caution | When measuring the resistance, disconnect the negative 12V starter battery terminal. For details refer to . |
Ensure that the negative 12V starter battery terminal is disconnected.
(4) Resistance between joint connector (CAN2) terminal Nos.8 and 19OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN2) and joint connector (CAN1) or joint connector (CAN1) and intermediate connector C-146. <Less than 1 kΩ> Go to Step 20.
STEP 20. Resistance measurement at A/C compressor connector.