RX400h · Service Manual BODY

Front Passenger Side Power Window Switch Power Source Circuit

Circuit diagnosis

DESCRIPTION

This circuit supplies power to operate the multiplex network switch.

WIRING DIAGRAM

B111209E10

INSPECTION PROCEDURE

1. CHECK WIRE HARNESS (MULTIPLEX NETWORK SWITCH)

Disconnect the P15 (P16) connector.
1. Measure the voltage according to the value(s) in the table below.
  
  Standard voltage:
  
  RHD Models:
  
  Tester Connection
  Condition
  Specified Condition
  
  P15-12 (BDR) - Body ground
  Always
  10 to 14 V
  
  LHD Models:
  
  Tester Connection
  Condition
  Specified Condition
  
  P16-12 (BDR) - Body ground
  Always
  10 to 14 V
2. Measure the resistance according to the value(s) in the table below.
  
  Standard resistance:
  
  RHD Models:
  
  Tester Connection
  Condition
  Specified Condition
  
  P15-7 (GND) - Body ground
  Always
  Below 1 Ω
  
  LHD Models:
  
  Tester Connection
  Condition
  Specified Condition
  
  P16-7 (GND) - Body ground
  Always
  Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE