Lexus ES: Motor Control Relay Stuck ON (B2345)
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Panoramic Moon Roof System / Motor Control Relay Stuck ON (B2345)
DESCRIPTION
This DTC will be stored if the operation of the sliding roof is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2345 | Motor Control Relay Stuck ON | Position failure (When the sliding roof ECU (sliding roof drive gear assembly) enters fail-safe mode due to a problem with the gear position) | Sliding roof ECU (Sliding roof drive gear assembly) |
CAUTION / NOTICE / HINT
NOTICE:
-
If the sliding roof ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) must be initialized.
Click here
.gif)
- DTC B2345 is stored in the sliding roof ECU (sliding roof drive gear assembly).
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTC B2345 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
READ NEXT:
Lost Communication with Front Shade Module (B2346)
DESCRIPTION This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly) stops for 10 seconds or m
Sensor (Motor) Failure (Fr Shade) (B2347,B2349)
DESCRIPTION When the roof sunshade ECU (sliding roof drive gear assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2347 is stored. When the roof sunshade ECU (slidin
Position Initialization Incomplete (Fr Shade) (B2348)
DESCRIPTION This DTC is stored when the roof sunshade ECU (sliding roof drive gear assembly) has not been initialized. DTC No. Detection Item DTC Detection Condition Trouble Area B2348
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY *a Component without harness connected (Hazard Warning Signal Switch Assembly) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Co
Fail-safe Chart
FAIL-SAFE CHART DTC Trouble Area Parking Brake Indicator Light (Red) Brake System Warning Light (Yellow) Fail-safe Deactivation Condition C059704 Skid control ECU (brake actuator assembly) internal malfunction Normal Illuminates After returning to normal condition, turn engine
© 2016-2025 Copyright www.lexguide.net
