DESCRIPTION
DTC C1682 is stored if the parking assist ECU judges as a result of its self check that there is a problem with the current supplied from the front television camera assembly connected to the parking assist ECU.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1682 | Front Camera Current Malfunction | Open or short in the front television camera signal circuit |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the J158 parking assist ECU connector.
(b) Disconnect the p1 front television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J158-15 (BCB+) - p1-6 (BCB+) | Always | Below 1 Ω |
J158-37 (BGND) - p1-5 (BGND) | Always | Below 1 Ω |
J158-15 (BCB+) or p1-6 (BCB+) - Body ground | Always | 10 kΩ or higher |
J158-37 (BGND) or p1-5 (BGND) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. | CHECK PARKING ASSIST ECU (BCB+, BGND) |
(a) Connect the J158 parking assist ECU connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J158-37 (BGND) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Switch Condition | Specified Condition |
---|---|---|
J158-15 (BCB+) - J158-37 (BGND) | Engine switch on (IG) | 5.5 to 7.05 V |
OK | ![]() | REPLACE FRONT TELEVISION CAMERA ASSEMBLY |
NG | ![]() | REPLACE PARKING ASSIST ECU |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Initialization
INITIALIZATION RESET TRANSAXLE COMPENSATION CODE NOTICE:
If the following parts have been replaced, initialize the ECM and perform Reset Memory and Perform Road Test to Allow ECM to Learn.
ECM
Transmission valve body assembly
Shift solenoid valve SL3
Shift solenoid valve SL4
Shift sole ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): XM Tuner Antenna Disconnected (B15FE,B15FF)
DESCRIPTION These DTCs are stored when a malfunction occurs in the telephone antenna assembly which is connected to the radio receiver assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15FE XM Tuner Antenna Disconnected The telephone antenna assembly is not conn ...