DESCRIPTION Output to the front seat cushion heater temperature sensor stops if one of the following occurs: 1) the temperature sensor is open or shorted; or 2) the temperature sensor is damaged and its output value does not change.
WIRING DIAGRAM PROCEDURE
(a) Clear the DTCs. Click here Body Electrical > Air Conditioner > Clear DTCs
(a) Check for DTCs. Click here Body Electrical > Air Conditioner > Trouble CodesOK: DTC B14C0 is not output.
(a) Disconnect the R6 front seat cushion heater assembly RH connector.
(a) Disconnect the G37 air conditioning amplifier assembly connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed (P0AA073)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a system main relay on the positive (+) terminal side and negative (-) terminal side of the HV battery. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH) int ...