Refer to "75.Driver Assistance System 10W.Troubleshooting(Stereo Camera) diagnostic system check-stereo camera".
1) Connect the scan tool.
2) Turn ON the ignition switch.
3) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to EPS motor control unit communication verification.
No
Go to Intermittent conditions of stereo camera.
Refer to "233.Driver Assistance System 46D.Symptom(Stereo Camera) intermittent conditions of stereo camera".
1) Use the scan tool to communicate with the EPS motor control unit to display the data. Can communication with the EPS motor control unit be established?
Yes
=>Go to EPS motor control unit DTC check.
No
Go to Lost communication with the EPS motor control unit.
Refer to "56.Steering Control 6A.Troubleshooting lost communication with the EPS motor control unit".
1) Observe the DTC information for the EPS motor control unit with a scan tool. Is a DTC set?
Yes
Go to the applicable DTC diagnosis.
No
=>Go to Chassis CAN communication circuit inspection.
1) Inspect the CAN Low circuit and CAN High circuit between the stereo camera (pins 7 and 8 of L17) and the EPS motor control unit (pins 4 and 5 of C116) for the following. Is the result normal?
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.).
Yes
=>Go to EPS motor control unit harness connector inspection.
No
Repair the circuit as necessary.
1) Inspect for poor connections at the EPS motor control unit harness connector (pins 4 and 5 of C116). Is the connection status normal?
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.).
Yes
=>Go to Stereo camera harness connector inspection.
No
Repair the connections as necessary.
1) Inspect for poor connections at the stereo camera harness connector (pins 7 and 8 of L17). Is the connection status normal?
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.).
Yes
Replace the EPS motor control unit.
Note
Refer to "6.Steering 6B.Power Assisted System power steering unit removal".
Refer to "6.Steering 6B.Power Assisted System power steering unit disassembly".
Refer to "6.Steering 6B.Power Assisted System power steering unit reassembly".
Refer to "6.Steering 6B.Power Assisted System power steering unit installation".
=>Go to Current DTC follow-up check.
No
Repair the connections as necessary.
1) Securely connect the disconnected harness connectors.
2) Clear the DTC with a scan tool.
3) Turn OFF the ignition switch for 30 seconds or more.
4) Turn ON the ignition switch.
5) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to Stereo camera replacement.
No
Note
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".
Procedure completion
1) Securely connect the disconnected harness connectors.
2) Clear the DTC with a scan tool.
3) Turn OFF the ignition switch for 30 seconds or more.
4) Turn ON the ignition switch.
5) Observe the DTC information with a scan tool.