Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (LEXUS Navigation System - Diagnosis) >> Circuit Inspection >> Vehicle Position Rotates Without Control (Map Rotates Without Control) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recheck. (The vehicle when position does not rotating, turn the ignition switch to ON from OFF again.) 
    1. OK : Normal. (While the vehicle position was turning, the ignition switch was turned ON.) 
    2. NG : Go To Next Step 
  2. System check mode. (Is "58-10" is displayed in the unit check mode of the navigation ECU?) 
    1. Yes : Replace the navigation ECU. 
    2. No : Go To Next Step 
  3. System check mode. (Is "58-43" is displayed in the unit check mode of the navigation ECU?) 
    1. Yes : Replace and repair SPD terminal wire harness. 
    2. No : Go To Next Step 
  4. Navigation check mode (vehicle signal check mode: SPD and gyro). 
    1. OK : Replace the navigation ECU. 
    2. NG : Replace or repair wire harness.