LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics >> Map Disc Cannot Be Inserted >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. INSPECT NAVIGATION RECEIVER ASSY (B,ACC,E) 
    1. Remove the navigation receiver assy and disconnect the connector.
    2. Fig 1: Disconnecting Navigation Receiver Assy Connector (B,ACC,E)
      G02677756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check voltage.
      1. Measure voltage between terminals B, ACC and E of navigation receiver assy at each conditions, as shown in the chart.
      Fig 2: Navigation Receiver Assy Terminals Voltage Chart
      G02677755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check continuity.
      1. Check that the continuity exists between terminal E of navigation receiver assy and body ground.

      Standard: Continuity exists. 

    1. NG: REPAIR OR CONNECTOR REPLACE HARNESS OR 

    OK: Go To Next Step 

    CHECK AND REPLACE NAVIGATION RECEIVER ASSY