Front Passenger Side Seat Belt Warning Light does not Operate [12/2021 - ]: Procedure

1. Read the Data List according to the display on the GTS.

   Body Electrical > Power Distribution Box > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Passenger Seat Buckle Switch Status	Front passenger side seat belt buckle switch status	Set, Unset, Unknown	Set: Front passenger seat belt fastened Unset: Front passenger seat belt not fastened Unknown: Data not determined	-
   Passenger Seat Occupant Sensor Status	Front passenger seat occupant detection sensor status	OFF, ON, Unknown	OFF: Front passenger seat not occupied ON: Front passenger seat occupied Unknown: Data not determined	-

   Body Electrical > Power Distribution Box > Data List 

   Tester Display
   Passenger Seat Buckle Switch Status
   Passenger Seat Occupant Sensor Status

   OK

   The GTS display changes correctly in response to the front passenger seat belt and front passenger seat condition.

   Result

   Result	Proceed to
   OK	A
   NG (Passenger Seat Buckle Switch Status)	B
   NG (Passenger Seat Occupant Sensor Status)	C

Result: 

A 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

C 

See step  6

Result: 

B 

See step  2

Refer to INSPECTION [12/2021 - ]

Result

Result: 

NG 

REPLACE FRONT SEAT BELT SET (FOR FRONT PASSENGER SIDE)). Refer to  REMOVAL [12/2021 - ] 

Result: 

OK 

See step  3

1. Check vehicle condition.

   Result

   Result	Proceed to
   for VIP Captain Seat	A
   except VIP Captain Seat	B

Result: 

B 

See step  5

Result: 

A 

See step  4

1. Disconnect the h20 front seat belt set (for front passenger side) connector.
2. Disconnect the 5F power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   h20-3 - 5F-11	Always	Below 1 Ω
   h20-2 - Body ground	Always	Below 1 Ω
   h20-3 or 5F-11 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the Q46 front seat belt set (for front passenger side) connector.
2. Disconnect the 5F power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q46-1 (+) - 5F-11	Always	Below 1 Ω
   Q46-2 (E) - Body ground	Always	Below 1 Ω
   Q46-1 (+) or 5F-11 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Refer to INSPECTION [12/2021 - ]

Result

Result: 

NG 

REPLACE FRONT SEAT BELT SET (FOR FRONT PASSENGER SIDE). Refer to  REMOVAL [12/2021 - ] 

Result: 

OK 

See step  7

Refer to INSPECTION [12/2021 - ]

Result

Result: 

NG 

REPLACE OCCUPANT DETECTION SENSOR (FRONT SEAT CUSHION PAD (FOR FRONT PASSENGER SIDE)). Refer to  REMOVAL [12/2021 - ] 

Result: 

OK 

See step  8

1. Check vehicle condition.

   Result

   Result	Proceed to
   for VIP Captain Seat	A
   except VIP Captain Seat	B

Result: 

B 

See step  10

Result: 

A 

See step  9

1. Disconnect the h49 front seat belt set (for front passenger side) connector.
2. Disconnect the 5F power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   h49-3 - 5F-29	Always	Below 1 Ω
   h49-1 - Body ground	Always	Below 1 Ω
   h49-3 or 5F-29 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the Q46 front seat belt set (for front passenger side) connector.
2. Disconnect the 5F power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q46-4 (+) - 5F-29	Always	Below 1 Ω
   Q46-5 (E) - Body ground	Always	Below 1 Ω
   Q46-4 (+) or 5F-29 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR