Inspection Procedure

1. Remove the switch.
2. Measure the resistance of the switch when the switch is operated.

   Resistance 

   MULTIPLEX NETWORK SWITCH ASSEMBLY
   
   

   Switch Condition	Tester Connection	Specified Condition
   AUTO UP	1 (D) - 7 (E) 6 (U) - 12 (BW)	Below 1Ω
   UP	1 (D) - 7 (E) 6 (U) - 12 (BW)	Below 1Ω
   OFF	1 (D) - 7 (E) 6 (U) - 7 (E)	Below 1Ω
   DOWN	6 (U) - 7 (E) 1 (D) - 12 (BW)	Below 1Ω
   AUTO DOWN	6 (U) - 7 (E) 1 (D) - 12 (BW)	Below 1Ω

   Fig 1: Inspecting Multiplex Network Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MULTIPLEX NETWORK SWITCH ASSEMBLY 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE