Inspection Procedure

1. Turn the ignition switch to the LOCK position.
2. Disconnect the negative (-) terminal cable from the battery.
3. Disconnect the connectors from the seat belt control ECU and front seat outer belt assy RH.
4. Connect the negative (-) terminal cable to the battery.
5. Turn the ignition switch to the ON position.
6. Measure the voltage and resistance according to the value(s) in FRONT SEAT OUTER BELT ASSY RH - SEAT BELT CONTROL ECU - VOLTAGE TABLE  .

Standard: 

Fig 1: Checking Wire Harness (Front Seat Outer Belt Assy RH - Seat Belt Control ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE WIRE HARNESS 

OK: Go to next step 

1. Measure the voltage according to the value(s) in FRONT SEAT OUTER BELT ASSY RH - VOLTAGE TABLE  g when the ignition switch is in ON position.

Standard: 

Fig 2: Checking Front Seat Outer Belt Assy RH

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT SEAT OUTER BELT ASSY RH (See step 8 in  REPLACEMENT  ) 

OK: REPLACE SEAT BELT CONTROL ECU (See step 10 in  REPLACEMENT  )