Front Passenger Side Seat Belt Warning Light Malfunction [08/2013 - ]: Procedure

1. Check the vehicle specification.

   Result

   Result	Proceed to
   w/ Occupant Classification System	A
   w/o Occupant Classification System	B

B → See step   6 

A: Go to next step 

1. Clear DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
2. Recheck for DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

B → See step   12 

A: Go to next step 

1. Clear DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
2. Recheck for DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

B → See step   13 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Occupant Detection / Data List.
5. Read the Data List according to the display on the Techstream.
   OCCUPANT DETECTION
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Passenger Buckle SW	Front passenger buckle switch/Set, Unset or NG	Set: Seat belt fastened Unset: Seat belt not fastened NG: Data is not determined	-

   Result

   Result	Proceed to
   Unset or Set is displayed on the Techstream screen according to the front passenger seat belt condition	A
   Unset or Set is not displayed correctly on the Techstream screen according to the front passenger seat belt condition	B
   NG is displayed on the Techstream screen	C

B → See step   15 

C → See step   16 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / SRS Airbag / Data List.
5. Read the Data List according to the display on the Techstream.
   SRS AIRBAG
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Right side Buckle SW	RH buckle switch/Unset, Set or NG	Unset: Seat belt not fastened Set: Seat belt fastened NG: Data is not determined	-

   Result

   Result	Proceed to
   Unset or Set is displayed on the Techstream screen according to the front passenger seat belt condition	A
   Unset or Set is not displayed correctly on the Techstream screen according to the front passenger seat belt condition NG is displayed on the Techstream screen	B

B → See step   17 

A → See step   14 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Read the Data List according to the display on the Techstream.
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P-Seatbelt Buckle SW	Front passenger seat belt buckle switch signal/ON or OFF	ON: Front passenger seat belt unfastened OFF: Front passenger seat belt fastened	The front passenger seat is occupied

   OK

   ON or OFF appears on the Techstream screen according to the front passenger seat belt condition.

NG → See step   7 

OK → See step   18 

1. Disconnect the H14 combination meter assembly connector.
2. Disconnect the W7 occupant detection sensor (separate type front seat cushion pad) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H14-10 (PBKL) - W7-3	Always	Below 1 Ω
   H14-10 (PBKL) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the W15 front seat inner belt assembly RH connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W7-1 - W15-3	Always	Below 1 Ω
   W7-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W15-2 - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Remove the occupant detection sensor (separate type front seat cushion pad). Refer to REMOVAL [08/2013 - ] .

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 3	Front passenger seat occupied	Below 100 Ω
   1 - 3	Front passenger seat not occupied	1 MΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Occupant Detection Sensor (Separate Type Front Seat Cushion Pad))

NG → See step   19 

OK: Go to next step 

1. Remove the front seat inner belt assembly RH. Refer to REMOVAL [08/2013 - ] .

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 - 3	Front passenger seat belt unfastened	Below 1 Ω
   2 - 3	Front passenger seat belt fastened	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Front Seat Inner Belt Assembly RH)

NG → See step   15 

OK → See step   18