STEP 1. Connector check: joint connector (CAN5)
STEP 2. Resistance measurement at joint connector (CAN5).
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 the ignition switch to the "LOCK" (OFF) position.
(3) caution | When measuring the resistance, disconnect the negative battery terminal. For details refer to . |
Ensure that the negative battery terminal is disconnected.
(4) Resistance between joint connector (CAN5) terminal Nos.11 and 22OK: 120 ± 20 ohms
Is the check result normal?
<Within 120 ± 20 ohms> Go to Step 4. : <Not within 120 ± 20 ohms> Go to Step 3.
STEP 3. Resistance measurement at ETACS-ECU connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the ETACS-ECU, and measure at the equipment side.
(2) Resistance between ETACS-ECU connector terminal Nos.17 and 16OK: 120 ± 20 ohms
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<Within 120 ± 20 ohms> Repair the wiring harness between joint connector (CAN5) and the ETACS-ECU connector. <Not within 120 ± 20 ohms> Check the ETACS-ECU connector, and repair if necessary. If the ETACS-ECU connector is in good condition, replace the ETACS-ECU.
STEP 4. Resistance measurement at joint connector (CAN5).
STEP 5. Resistance measurement at KOS&OSS-ECU connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the KOS&OSS-ECU, and measure at the equipment side.
(2) Resistance between KOS&OSS-ECU connector terminal Nos.35 and 51OK: 1 kΩ or more
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN5) and the KOS&OSS-ECU connector. <Less than 1 kΩ> Check the KOS&OSS-ECU connector, and repair if necessary. If the KOS&OSS-ECU connector is in good condition, replace the KOS&OSS-ECU.
STEP 6. Resistance measurement at joint connector (CAN5).
STEP 7. Resistance measurement at camera-ECU connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the camera-ECU, and measure at the equipment side.
(2) Resistance between camera-ECU connector terminal Nos.1 and 21OK: 1 kΩ or more
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<1 kΩ or more> Check the intermediate connector, and repair if necessary. If the intermediate connector is in good condition, repair the wiring harness between joint connector (CAN5) and the camera-ECU connector. <Less than 1 kΩ> Check the camera-ECU connector, and repair if necessary. If the camera-ECU connector is in good condition, replace the camera-ECU.
STEP 8. Resistance measurement at joint connector (CAN5).
STEP 9. Resistance measurement at HUD connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the HUD, and measure at the equipment side.
(2) Resistance between HUD connector terminal Nos.6 and 18OK: 1 kΩ or more
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN5) and the HUD connector. <Less than 1 kΩ> Check the HUD connector, and repair if necessary. If the HUD connector is in good condition, replace the HUD.
STEP 10. Resistance measurement at joint connector (CAN5).
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 (CAN5), and measure at the wiring harness side.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
(3) caution | When measuring the resistance, disconnect the negative battery terminal. For details refer to . |
Ensure that the negative battery terminal is disconnected.
(4) Resistance between joint connector (CAN5) terminal Nos.8 and 19OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Go to Step 12. <Less than 1 kΩ> Go to Step 11.
STEP 11. Resistance measurement at A/C controller assembly connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the A/C controller assembly, and measure at the equipment side.
(2) Resistance at A/C controller assembly connector terminal Nos.32 and 31OK: 1 kΩ or more
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN5) and the A/C controller assembly connector. <Less than 1 kΩ> Check the A/C controller assembly connector, and repair if necessary. If the A/C controller assembly connector is in good condition, replace the A/C controller assembly.
STEP 12. Resistance measurement at joint connector (CAN5).
STEP 13. Resistance measurement at multivision display connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the multivision display, and measure at the equipment side.
(2) Resistance at multivision display connector terminal Nos.3 and 13OK: 1 kΩ or more
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN5) and the multivision display connector. <Less than 1 kΩ> Check the multivision display connector, and repair if necessary. If the multivision display connector is in good condition, replace the multivision display.
STEP 14. Resistance measurement at joint connector (CAN5).
STEP 15. Resistance measurement at TCU connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the TCU, and measure at the equipment side.
(2) Resistance at TCU connector terminal Nos.33 and 13OK: 1 kΩ or more
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<1 kΩ or more> Repair the wiring harness between joint connector (CAN5) and the TCU connector. <Less than 1 kΩ> Check the TCU connector, and repair if necessary. If the TCU connector is in good condition, replace the TCU.
STEP 16. Resistance measurement at joint connector (CAN5).
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 (CAN5), and measure at the wiring harness side.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
(3) caution | When measuring the resistance, disconnect the negative battery terminal. For details refer to . |
Ensure that the negative battery terminal is disconnected.
(4) Resistance between joint connector (CAN5) terminal Nos.10 and 21OK: 120 ± 20 ohms
Is the check result normal?
<Within 120 ± 20 ohms> The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ). <Not within 120 ± 20 ohms> Go to Step 17.
STEP 17. Resistance measurement at combination meter connector.
caution | A digital multimeter should be used. For details refer to . |
(1) Remove the combination meter, and measure at the equipment side.
(2) Resistance at combination meter connector terminal Nos.14 and 15OK: 120 ± 20 ohms
caution | Strictly observe the specified wiring harness repair procedure. For details refer to . |
Is the check result normal?
<Within 120 ± 20 ohms> Repair the wiring harness between joint connector (CAN5) and the combination meter connector. <Not within 120 ± 20 ohms> Check the combination meter connector, and repair if necessary. If the combination meter connector is in good condition, replace the combination meter.