LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 145 (Dynamic Laser Cruise - Diagnostics) >> Dynamic Laser Cruise Control System >> Distance Control Ecu Power Source Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FUSE (ECU-IG) 
    1. Remove the ECU - IG fuse from the driver side J/B.
    2. Check the continuity of ECU - IG fuse.

      Standard: Below 1 Ω 

    1. NG: REPLACE FUSE 
    2. OK: Go to next step 
  2. CHECK WIRE HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - BODY GROUND) 
    1. Remove the distance control ECU with connector.
    2. Check the continuity between terminal SGND (D2-10) and GND (D2-12) of distance control ECU and body ground.

      Standard: Below 1 Ω 

    Fig 1: Checking Wire Harness & Connector (Distance Control ECU - Body Ground)
    G02608086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK: Go to next step 
  3. CHECK WIRE HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - BATTERY) 
    1. Measure the voltage between terminal B (D2-1) of distance control ECU and body ground.

      Standard: 10 to 14V 

    Fig 2: Measuring Voltage Between Terminal B (D2-1) Of Distance Control ECU & Body Ground
    G02608087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
scientia non olet · About LEMON Manuals