Front Passenger Side Seat Belt Warning Light Malfunction: Procedure

1. Check for DTCs.

   Result

   Result	Proceed to
   No output DTC	A
   Output DTC (CAN communication)	B
   Output DTC (Occupant detection)	C

B → See step   5 

C → See step   6 

A: Go to next step 

1. Disconnect the clock assembly connector.
   Fig 1: Identifying Clock Assembly Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage and resistance according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   F3-3 (IG) - Body ground	Ignition switch on (IG)	10 to 14 V

   Standard resistance

   Tester Connection	Condition	Specified Condition
   F3-19 (GND1) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE GAUGE NO. 2 FUSE, HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the clock assembly connector.
   Fig 2: Identifying Clock Assembly Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply battery voltage to the connector according to the table below.

   Standard

   Condition	Specified Condition
   Battery positive (+) → Terminal 3 (IG) Battery negative (-) → Terminal 10 (PBEW), 19 (GND1)	Lights up (Seat belt warning light)

NG → REPLACE CLOCK ASSEMBLY 

OK: Go to next step 

1. Disconnect the combination meter assembly and clock assembly connectors.
   Fig 3: Identifying Combination Meter Assembly And Clock Assembly Connectors

   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
   F1-9 (P/SB) - F3-10 (PBEW)	Always	Below 1 Ω
   F1-9 (P/SB) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE COMBINATION METER ASSEMBLY