Last Modified: 4-30-2014 6.6 C Doc ID: RM000001CFH001X agn Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 - ] Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM: 26; System Too Rich; 2006 MY LX470 [05/2005 - ] DTC 26 System Too Rich DESCRIPTION This sensor detects the position of the rear air mix damper and sends the appropriate signals to the rear A/C amplifier. The position sensor is built into the rear air mix damper control servomotor. DTC NO.
DETECTION ITEM TROUBLE AREA 26 Open or short in rear inlet air temperature sensor circuit Rear inlet air temperature sensor Harness or connector between rear inlet air temperature sensor and rear A/C amplifier Rear A/C amplifier WIRING DIAGRAM INSPECTION PROCEDURE PROCEDURE CHECK REAR AIR CONDITIONING AMPLIFIER 1. (a) Remove the rear A/C amplifier with the connectors still connected. (b) Turn ignition switch to ON. (c) Measure the voltage between terminals TINH (A33-8) and SG (A33-9) of the rear A/C amplifier cardi