Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    1. Measure voltage between terminals when opening the front door LH only.

      Standard: 

      SPECIFIED CONDITION

      Front door LH Tester connection Specified condition
      Close B8-1 (DCTY) - 2A - 8 10 - 14 V
      Open B8-1 (DCTY) - 2A - 8 Below 1 V
    1. OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    2. NG: Go to next step. 
  2. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY (FRONT DOOR LH) 
    1. Inspect front door courtesy lamp switch LH continuity.
      1. Check that the continuity exists between terminal 1 and body ground when switch is operated.

      Standard: 

      ON (When shaft is pressed): No continuity 

      OFF (When shaft is not pressed): Continuity 

    1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY (FRONT DOOR LH) 
    2. OK: Go to next step. 
  3. CHECK HARNESS AND CONNECTOR (BETWEEN INSTRUMENT PANEL J/B ASSY AND FRONT DOOR COURTESY LAMP SWITCH LH) 
    1. Disconnect the connector of the multiplex network body computer.
    2. Check the continuity between terminal B6 - 1 (DCTY) and body ground.

      Standard: There is continuity. 

    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: Go to next step. 
  4. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    1. Measure voltage between terminals when opening the front door RH only.

      Standard: 

      SPECIFIED CONDITION

      Front door RH Tester connection Specified condition
      Close B6-11 (PCTY) - 2A - 8 (GND) 10 - 14 V
      Open B6-11 (PCTY) - 2A - 8 (GND) Below 1 V
    1. OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    2. NG: Go to next step. 
  5. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY (FRONT DOOR RH) 
    1. Inspect front door courtesy lamp switch RH continuity.
      1. Check that the continuity exists between terminal 1 and body ground when switch is operated.

      Standard: 

      ON (When shaft is pressed): No continuity 

      OFF (When shaft is not pressed): Continuity 

    1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY (FRONT DOOR RH) 
    2. OK: Go to next step. 
  6. CHECK HARNESS AND CONNECTOR (BETWEEN INSTRUMENT PANEL J/B ASSY AND FRONT DOOR COURETESY LAMP SWITH RH) 
    1. Disconnect the connector of the multiplex network body computer.
    2. Check the continuity between terminal B6 - 11 (PCTY) and body ground.

      Standard: There is continuity. 

    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: Go to next step. 
  7. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    1. Measure voltage between terminals, when opening the rear door LH only.

      Standard: 

      SPECIFIED CONDITION

      Rear door LH Tester connection Specified condition
      Close 20 (RCTY) - 2A-8 (GND) 10 - 14 V
      Open 20 (RCTY) - 2A-8 (GND) Below 1 V
    1. OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    2. NG: Go to next step. 
  8. INSPECT REAR DOOR COURTESY LAMP SWITCH ASSY (REAR DOOR LH) 
    1. Inspect rear door courtesy lamp switch LH continuity.
      1. Check that the continuity exists between terminal 1 and body ground, when switch is operated.

      Standard: 

      ON (When shaft is pressed): No continuity 

      OFF (When shaft is not pressed): Continuity 

    1. NG: REPLACE REAR DOOR COURTESY LAMP SWITCH ASSY (REAR DOOR LH) 
    2. OK: Go to next step. 
  9. CHECK HARNESS AND CONNECTOR (BETWEEN INSTRUMENT PANEL J/B ASSY AND REAR DOOR COURTESY LAMP SWITCH LH) 
    1. Disconnect the connector of the multiplex network body computer.
    2. Check the continuity between terminal 20 (RCTY) and body ground.

      Standard: Continuity exists. 

    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: Go to next step. 
  10. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    1. Measure voltage between terminals when opening the rear door RH only.

      Standard: 

      SPECIFIED CONDITION

      Rear door RH Tester connection Specified condition
      Close 20 (RCTY) - 2A-8 (GND) 10 - 14 V
      Open 20 (RCTY) - 2A-8 (GND) Below 1 V
    1. OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    2. NG: Go to next step. 
  11. INSPECT REAR DOOR COURTESY LAMP SWITCH ASSY (REAR DOOR RH) 
    1. Inspect rear door courtesy lamp switch RH continuity.
      1. Check that the continuity exists between terminal 1 and body ground when switch is operated.

      Standard: 

      ON (When shaft is pressed): No continuity 

      OFF (When shaft is not pressed): Continuity 

    1. NG: REPLACE REAR DOOR COURTESY LAMP SWITCH ASSY (REAR DOOR RH) 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
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