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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 933 (LEXUS Navigation System - Diagnosis) >> Circuit Inspection >> 30. Touch SW on air conditioner screen does not function. >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Display check mode. (Vehicle signal check mode: IG) 
    1. NG : Replace or repair speed sensor and wire harness (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    2. OK : Go to next step. 
  2. Display check mode. (Touch switch check) 
    1. NG : Replace multi display (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    2. OK : Check gateway system. (A/C ECU communication circuit) (See  GATEWAY SYSTEM - DIAGNOSIS  ) 
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