main body ECU (multiplex network body ECU) controls the rear seat belt buckle light
CAUTION / NOTICE / HINT
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
PERFORM ACTIVE TEST USING GTS
Perform the Active Test according to the display on the GTS.
|Tester Display||Measurement Item||Control Range||Diagnostic Note|
|Rear Side Buckle Light||Rear seat buckle illumination light||OFF or ON||-|
|Rear Side Buckle Light|
|Rear seat belt buckle light turns on or off.|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])
Disconnect the L91 rear seat inner belt assembly LH connector.
Disconnect the L92 rear seat inner with center belt assembly RH connector.
Disconnect the G12 main body ECU (multiplex network body ECU) connector.
Measure the voltage according to the value(s) in the table below.
Measure the resistance according to the value(s) in the table below.
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
REPAIR OR REPLACE HARNESS OR CONNECTOR