DTC U1001[86] Data Length Code Error With Stereo Camera (ABS/ESC)

1. Brake control system check

Refer to "54.Brake Control 4A.Troubleshooting(ABS/ESC) diagnostic System Check - Brake Controls".

2. Prioritized DTC check

1) Turn OFF the ignition switch.

2) Connect the scan tool.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool. Is DTC U0055[88] set at the same time?

Yes

Go to DTC U0055[88] diagnosis.

Refer to "54.Brake Control 4A.Troubleshooting(ABS/ESC) DTC U0055[88] Chassis CAN Bus OFF Error".

No

=>Go to Stereo camera DTC check.

3. Stereo camera DTC check

1) Observe the stereo camera DTC information with a scan tool. Is a DTC set?

Yes

Go to the applicable DTC diagnosis.

No

=>Go to Wire harness and connector inspection.

4. Wire harness and connector inspection

1) Inspect the wire harnesses and connectors for the following. Is the result normal?

Wire harness to be inspected

Inspection items

Refer to "RHD Controller Area Network (Central Gateway C/U (4JJ3 with DPD))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD Controller Area Network (Central Gateway C/U (4JJ3 without DPD, RZ4E))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "LHD Controller Area Network (Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

Replace the stereo camera.

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera removal".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera installation".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera setting".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera writing".

=>Go to Procedure completion verification.

No

Repair the circuit as necessary.

=>Go to Repair verification.

5. Procedure completion verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to EHCU replacement.

No

The system is normal.

6. EHCU replacement

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU removal".

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU installation".

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU setting".

Procedure completion

=>Go to Repair verification.

7. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool.