Lexus NX: Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION
This DTC is stored if the rear television camera assembly receives a signal via CAN communication from the steering sensor that indicates a power supply problem.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1625 | Open or Short in Steering Angle Sensor +B | Open or short in steering sensor power source |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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When the "!" mark is displayed on the multi-display assembly after disconnecting the cable from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.
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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.
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- Inspect the fuses for circuits related to this system before performing the following procedure.
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The parking assist monitor system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the parking assist monitor system after confirming that the communication system is functioning properly.
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The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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When disconnecting and reconnecting the auxiliary battery terminal
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (STEERING SENSOR POWER SOURCE) |
| (a) Disconnect the steering sensor connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I6-1 (ESS) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I6-4 (IG1) - I6-1 (ESS) | Power switch on (IG) | 11 to 14 V |
| I6-5 (BAT) - I6-1 (ESS) | Power switch off | 11 to 14 V |
| OK | .gif) | REPLACE STEERING SENSOR |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Steering Angle Sensor Failure (C1626)
DESCRIPTION This DTC is stored if the rear television camera assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction. DTC No. Detection It
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DESCRIPTION This DTC is stored if the rear television camera assembly judges as a result of its self check that the vehicle information received from the main body ECU (multiplex network body ECU) via
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Steering Lock Position Signal Circuit Malfunction (B2285)
DESCRIPTION This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator assembly) via direct line and the steering lock position signal sent via LIN communication do not match. DTC No. Detection Item DTC Detection Condition Trouble Area
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE REAR WHEEL Click here 2. REMOVE REAR SUSPENSION ARM COVER LH (a) Remove the 2 bolts and disengage the 2 claws to remove the rear suspe
