PARKING ASSIST MONITOR SYSTEM(for Camera built-in ECU), Diagnostic DTC:C1621
DTC Code | DTC Name |
---|---|
C1621 | Back Camera Power Supply Failure |
DESCRIPTION
This DTC is stored if the television camera assembly judges that the signals or signal lines between the navigation receiver assembly*1 or radio and display receiver assembly*2 and the television camera assembly are not normal as a result of its self check.
*1: for Navigation Receiver Type
*2: for Radio and Display Type
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1621 |
Back Camera Power Supply Failure |
Television camera assembly power supply failure |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.
PROCEDURE
CHECK FOR DTC
Clear the DTCs.
Chassis > IPA/Parking Assist Monitor > Clear DTCs
Check for DTCs.
Chassis > IPA/Parking Assist Monitor > Trouble Codes
Result
Proceed to
No DTC is output
DTC is output (for Navigation Receiver Type)
DTC is output (for Radio and Display Type)
DTC is output (for Radio and Display Type) CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)Click here
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)
Disconnect the G158 navigation receiver assembly connector.
Disconnect the U22 television camera assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G158-11 (CA+) - U22-6 (CB+)
Always
Below 1 Ω
G158-23 (CGND) - U22-5 (CGND)
Always
Below 1 Ω
G158-11 (CA+) - Body ground
Always
10 kΩ or higher
G158-23 (CGND) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK NAVIGATION RECEIVER ASSEMBLY
-
*a
Component with harness connected
(Navigation Receiver Assembly)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G158-23 (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
G158-11 (CA+) - Body ground
Ignition switch ACC
5.5 to 7.05 V
Result
Proceed to
OK
NG
-
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)
Disconnect the G159 navigation receiver assembly connector.
Disconnect the U22 television camera assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G159-11 (CA+) - U22-6 (CB+)
Always
Below 1 Ω
G159-23 (CGND) - U22-5 (CGND)
Always
Below 1 Ω
G159-11 (CA+) - Body ground
Always
10 kΩ or higher
G159-23 (CGND) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
-
*a
Component with harness connected
(Radio and Display Receiver Assembly)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G159-23 (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
G159-11 (CA+) - Body ground
Ignition switch ACC
5.5 to 7.05 V
Result
Proceed to
OK
NG
-