B1018

B1018 OCCUPANT SENS

Description

DTC B1018 [UNIT FAIL] OCCUPANT SEN
Suppresses the deployment of passenger air bag when the condition of passenger seat is empty, child and child-seat. And turn on cut-off telltale lamp when the condition of passenger seat is child-seat and child. In case of malfunction the blinking of the SRS air bag warning lamp tells the trouble to driver and by the on board self-diagnosis system or electro diagnosis tester CONSULT-III can detects the cause.

OPERATION
The unit classifies occupant on a passenger seat and transmits it to Occupant Classification System (OCS) control unit. STRUCTURE Plural sensors are installed in the sensor mat to prevent wrong sensing induced by the sitting position.

INSTALLATION
Seat sensor mat is installed in the passenger seat cushion.







DTC Logic

Step 1:

Step 2-3:

DTC CONFIRMATION PROCEDURE (With CONSULT-III)

Step 1-6:

DTC CONFIRMATION PROCEDURE (Without CONSULT-III)

Diagnosis Procedure (Component diagnosis)

With CONSULT-III

CAUTION:
- Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. (To discharge backup capacitor.)
- Do not use unspecified tester or other measuring device.

Step 1-3:

DIAGNOSTIC PROCEDURE