HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): No Cooling at All; 2019 - 2024 MY RAV4 HV [02/2019

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001HIRH
Model Year Start: 2019	Model: RAV4 HV	Prod Date Range: [02/2019 - ]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): No Cooling at All; 2019 - 2024 MY RAV4 HV [02/2019 - ]

No Cooling at All

DESCRIPTION

If cool air is not discharged (air is discharged), the following malfunctions are possible.

Malfunction Status	Factor
Cool air is not discharged (air is discharged)	Compressor with motor assembly malfunction Refrigerant pressure malfunction Lack of refrigerant gas Dirty cooler condenser Cooling fan system malfunction Air mix damper and link operation (jamming) No. 1 cooler thermistor (determined as cold, conflicting with actual temperature) Warm air flow

1.	CHECK AIR CONDITIONING CONTROL ASSEMBLY (SWITCH INDICATOR)

(a) Operate each switch on the air conditioning control assembly to check that the switch indicators are illuminated normally.

OK:

Switch indicators are illuminated normally.

2.	PERFORM ACTIVE TEST USING TECHSTREAM (SERVO PULSE)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Air Conditioner / Active Test.

(e) Check the operation by referring to the table below.

Tester Display

Measurement Item

Control Range

Diagnostic Note

Air Mix Servo Targ Pulse(D)

No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) pulse

Min.: 128

Max.: 383

Operates between 165 to 257 pulses

Air Mix Servo Targ Pulse(P)

No. 1 air conditioning radiator damper servo sub-assembly (front passenger side air mix) pulse

Min.: 128

Max.: 383

Operates between 255 to 347 pulses

Tester Display
Air Mix Servo Targ Pulse(D)

Tester Display
Air Mix Servo Targ Pulse(P)

OK:

Damper servo motor is operated.

GO TO DIAGNOSTIC TROUBLE CODE CHART (FOR SERVO MOTOR OF APPLICABLE ABNORMAL OPERATION)