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 engine 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
|
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| 2. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine 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 |
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Observe the following before starting
off in the vehicle to ensure
safety of driving.
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Use only floor mats designed specifically
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and model year as your vehicle. Fix
them securely in place onto the carpet.
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