LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Tundra Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 474 (Vehicle Intrusion Protection System - Diagnostics) >> Vehicle Intrusion Protection System >> Circuit Inspection >> Starter Relay Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect starter relay. 

    PREPARATION: 

    Remove the starter relay.

    CHECK: 

    Inspect the continuity.

    Fig 1: Inspecting Starter Relay
    G02643818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Starter Relay Continuity Table
    G02643819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Replace relay. 
    2. OK : Go to next step. 
  2. Check continuity between terminal ST of TVIP ECU and body ground. 

    PREPARATION: 

    Disconnect the T13 TVIP ECU connector.

    CHECK: 

    Check the continuity between the T13 TVIP ECU wire harness side connector and body ground.

    Fig 3: Checking Continuity Between Terminal ST Of TVIP ECU And Body Ground
    G02643820Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    Fig 4: Terminal ST Of TVIP ECU And Body Ground Table
    G02643821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Repair or replace harness and connector. 
    2. OK : Go to next step. 
  3. Check harness and connector between starter and battery. 
    1. NG : Repair or replace harness and connector. 
    2. OK : Replace TVIP ECU.