DTC C1621: Back Camera Power Supply Failure [06/2018 - 09/2022]: Procedure
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- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
- Disconnect the G22 multi-display assembly connector.
- Disconnect the T1 rear television camera assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G22-10 (CA+) - T1-6 (CB+) Always Below 1 Ω G22-21 (CGND) - T1-5 (CGND) Always Below 1 Ω G22-10 (CA+) or T1-6 (CB+) - Body ground Always 10 kΩ or higher G22-21 (CGND) or T1-5 (CGND) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- INSPECT MULTI-DISPLAY ASSEMBLY
- Reconnect the G22 multi-display assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G22-21 (CGND) - Body ground Always Below 1 Ω *a Component with harness connected
(Multi-display Assembly) - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition G22-10 (CA+) - G22-21 (CGND) Engine switch on (ACC) 5.5 to 7.05 V Result
Proceed to OK NG
Result:
OK
REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to REMOVAL [06/2018 - 09/2022]
Result:
NG
REPLACE MULTI-DISPLAY ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]