Inspection Procedure

INSPECT FUSE (AM1, MPX-IG, MPX-B3, D/C CUT)
1. Remove the AM1 and MPX-IG fuses from the driver side
2. Remove the MPX-B3 fuse from the passenger side J/B.
3. Remove the D/C CUT fuse from the FL block.
4. Measure the resistance.
  Standard: Below 1 Ω
NG: REPLACE FUSE

OK: Go to next step.
CHECK WIRE HARNESS (DRIVER SIDE J/B AND DRIVER SIDE J/B ECU - BODY GROUND)
1. Disconnect the DA, DE, DF, DG J/B and D5 ECU connectors.
2. Measure the voltage and resistance of the wire harness side connectors.
  Standard:
  
  Fig 1: Terminals Resistance And Voltage Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Checking Wire Harness (Driver Side J/B And Driver Side J/B ECU - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.
INSPECT RELAY (D-IG1)
1. Remove the D-IG1 relay from the driver side J/B.
2. Check the resistance.
  Standard:
  
  Fig 3: Terminals Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Inspecting Relay (D-IG1)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE RELAY

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )