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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 903 (Heater & Air Conditioning Control System) >> System Description >> Self-Diagnosis Function >> A/C System Self-Diagnosis Code Chart >> Self-Diagnostic Code Chart

Self-Diagnostic Code Chart

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Code No. Refer To
03 Battery voltage out of range "INSPECTION PROCEDURE "
30 In-vehicle sensor circuit out of range (low) "IN-VEHICLE SENSOR DIAGNOSIS PROCEDURE "
31 In-vehicle sensor circuit out of range (high)
40 Ambient sensor circuit short "AMBIENT SENSOR DIAGNOSIS PROCEDURE "
41 Ambient sensor circuit open
50 Optical sensor (Driver) circuit open or short "OPTICAL SENSOR DIAGNOSIS PROCEDURE "
52 Optical sensor (Passenger) circuit open or short
56 Intake sensor circuit short "INTAKE SENSOR DIAGNOSIS PROCEDURE "
57 Intake sensor circuit open
80 CAN bus fault "TROUBLE DIAGNOSIS FLOW CHART "