Lexus ES: Rain Sensor Malfunction (B1400)
DESCRIPTION
This DTC is stored when the rain sensor detects an internal malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | DTC Output from |
|---|---|---|---|---|---|
| B1400 | Rain Sensor Malfunction |
| Rain sensor | ○ | Rain sensor |
PROCEDURE
| 1. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Rain and/or Humidity Sensor / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > Rain and/or Humidity Sensor > Clear DTCs
|
.gif)
| 2. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Wait 10 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Rain and/or Humidity Sensor / Trouble Codes.
(f) Check for DTCs.
Body Electrical > Rain and/or Humidity Sensor > Trouble Codes| Result | Proceed to |
|---|---|
| DTC B1400 is not output | A |
| DTC B1400 is output | B |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE RAIN SENSOR |
READ NEXT:
Wiper Motor Power Source Circuit
DESCRIPTION This circuit is the power source circuit for the windshield wiper motor assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses of circuits related to this system be
Wiper and Washer Switch Circuit
DESCRIPTION The condition of the windshield wiper switch assembly is detected and sent to the steering sensor in this circuit. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Con
Washer Motor Circuit
DESCRIPTION When the windshield washer motor and pump assembly receives signals from the windshield wiper switch assembly it operates to spray washer fluid from the washer nozzle sub-assemblies. WIRIN
SEE MORE:
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Drive Motor "A" Position Sensor Internal Electronic Failure (P1CAD49,P1C651F,P1CB038)
DESCRIPTION The motor generator control ECU (MG ECU) , which is built into the inverter with converter assembly, monitors its internal operation and detects malfunctions. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P1C651F Generator Control Mod
