Front Passenger Side Seat Belt Warning Light Malfunction

SEAT BELT: SEAT BELT WARNING SYSTEM: Front Passenger Side Seat Belt Warning Light Malfunction
- Front Passenger Side Seat Belt Warning Light Malfunction

DESCRIPTION

The occupant detection ECU detects the state of the front seat inner belt assembly RH and road sensor when the front passenger seat is occupied with the ignition switch on (IG). If the front passenger seat belt is not fastened, the front seat belt warning light on the navigation receiver assembly*1 or hazard warning light*2 blinks. If the seat belt is fastened, the warning light goes off.

HINT
* *1: w/ Navigation System
* *2: w/o Navigation System

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTCs

(a) Check for DTCs.

Result:

C -- GO TO OCCUPANT CLASSIFICATION SYSTEM Occupant Classification System

B -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Turn the ignition switch on (IG).

(c) Read the DATA LIST according to the displays on the tester screen.

Combination Meter

OK:

Switch condition (ON or OFF) can be switched by "ACTIVE TEST"

NG -- CHECK WIRE HARNESS (BATTERY POSITIVE AND BODY GROUND)

OK -- REPLACE COMBINATION METER Removal

3. CHECK WIRE HARNESS (BATTERY POSITIVE AND BODY GROUND)

(a) Disconnect the E19 connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Standard voltage:

Standard resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE
OK -- Continue to next step.

4. CHECK HARNESS OR CONNECTOR

(a) Disconnect the E1 connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:

B -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal

A -- REPAIR OR REPLACE HARNESS OR CONNECTOR

C -- REPLACE HAZARD WARNING SWITCH Removal