Inspection Procedure

HINT:

First make sure the CAN communication system is operating normally.

1. INSPECT FUSE (RR MPX-B 2) 
   1. Disconnect the RR MPX-B 2 fuse from the luggage room junction block.
   2. Measure the resistance of the fuse.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION
      
      

      Tester Connection	Condition	Specified Condition
      RR MPX-B 2 fuse	Always	Below 1 Ω

      NG: REPLACE FUSE 

      OK: Go to Next Step 

2. CHECK HARNESS AND CONNECTOR (REAR POWER SEAT MODULE SWITCH BATTERY AND BODY GROUND) 
   1. Disconnect the S15 or r2 module connector.
   2. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION
      
      

      Tester Connection	Condition	Specified Condition
      S15-5 (E)*1 or r2-3 (E)*2 - Body ground	Always	Below 1 Ω

   3. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      STANDARD VOLTAGE SPECIFICATION
      
      

      Tester Connection	Condition	Specified Condition
      S15-6 (B) - Body ground*1	Always	11 to 14 V
      r2-11 (B) - Body ground*2	Always	11 to 14 V

      Fig 1: Identifying S15 And R2 Connectors Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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