DTC C1622-87: Rear Camera Image Signal Missing Message [09/2022 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK TELEVISION CAMERA WIRE
- Disconnect the television camera wire.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A-2(CB+) - T4-2(CB+) Always Below 1 Ω A-4(GVI+) - T4-4(CV+) Always Below 1 Ω A-3(GVI-) - T4-3(CV-) Always Below 1 Ω A-1(CGND) - T4-1(CGND) Always Below 1 Ω A-5(SGND) - T4-5(SGND) Always Below 1 Ω A-2(CB+) or T4-2(CB+) - Bodey ground Always 10 kΩ or higher A-4(GVI+) or T4-4(CV+) - Bodey ground Always 10 kΩ or higher A-3(GVI-) or T4-3(CV-) - Bodey ground Always 10 kΩ or higher A-1(CGND) or T4-1(CGND) - Bodey ground Always 10 kΩ or higher A-5(SGND) or T4-5(SGND) - Bodey ground Always 10 kΩ or higher *a Front view of Television Camera Wire connector
(to Rear Television Camera Assembly)*b Front view of Television Camera Wire connector
(to Wire Harness)Result
Proceed to OK NG
Result:
NG
REPLACE TELEVISION CAMERA WIRE. Refer to REMOVAL [09/2022 - ]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - TELEVISION CAMERA WIRE)
Pre-procedure1
- Disconnect the N130 parking assist ECU connector.
- Disconnect the T4 television camera wire connector.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition N130-1 (CB+) - T4-2 (CB+) Always Below 1 Ω N130-3 (CV+) - T4-4 (CV+) Always Below 1 Ω N130-4 (CV-) - T4-3 (CV-) Always Below 1 Ω N130-2 (CGND) - T4-1 (CGND) Always Below 1 Ω N130-5 (SGND) - T4-5 (SGND) Always Below 1 Ω N130-1 (CB+) or T4-2 (CB+) - Body ground Always 10 kΩ or higher N130-3 (CV+) or T4-4 (CV+) - Body ground Always 10 kΩ or higher N130-4 (CV-) or T4-3 (CV-) - Body ground Always 10 kΩ or higher N130-2 (CGND) or T4-1 (CGND) - Body ground Always 10 kΩ or higher N130-5 (SGND) or T4-5 (SGND) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK PARKING ASSIST ECU (CV-, CGND)
Pre-procedure1
- Disconnect the N130 parking assist ECU connector.
*a Component without harness connected
(Parking Assist ECU)Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 2 (CGND) - Body ground Always Below 1 Ω 4 (CV-) - Body ground Always Below 1 Ω Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPLACE PARKING ASSIST ECU. Refer to REMOVAL [09/2022 - ]
Result:
OK
See step 4
- Disconnect the N130 parking assist ECU connector.
- CHECK PARKING ASSIST ECU (CB+, CGND)
Pre-procedure1
- Disconnect the rear television camera assembly.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition T4-1 (CGND) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Switch Condition Specified Condition T4-2 (CB+) - T4-1 (CGND) Ignition switch ON 0.5 to 8 V Result
Proceed to OK NG Post-procedure1
- None
Result:
OK
REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to REMOVAL [09/2022 - ]
Result:
NG
REPLACE PARKING ASSIST ECU. Refer to REMOVAL [09/2022 - ]
- Disconnect the rear television camera assembly.