No Cool Air Comes Out [10/2020 - 08/2021]: Procedure
- CHECK SWITCH INDICATOR
- Operate each switch on the air conditioning control panel and check that the switch indicators operate normally.
OK
All switch indicators operate normally.
Result
Proceed to OK NG
Result:
NG
GO TO OTHER DIAGNOSIS PROCEDURE (Operation not Accepted Even If Air Conditioning Switch is Operated). Refer to Operation not Accepted Even If Air Conditioning Switch is Operated [10/2020 - ]
Result:
OK
See step 2
- Operate each switch on the air conditioning control panel and check that the switch indicators operate normally.
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Air Conditioner / Active Test.
- Perform the Active Test according to the display on the Techstream.
Body Electrical > Air Conditioner > Active Test
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*1 or air mix*2) pulse Min.: 128
Max.: 383Operates 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*1 Min.: 128
Max.: 383Operates between 255 to 347 pulses Air Outlet Servo Pulse (D) No. 1 air conditioning radiator damper servo sub-assembly (mode) pulse Min.: 128
Max.: 383Operates between 241 to 348 pulses Air Inlet Damper Targ Pulse No. 1 blower damper servo sub-assembly pulse Min.: 128
Max.: 383Operates between 220 to 256 pulses A/O Servo Pulse (Rr D) No. 2 air conditioning radiator damper servo sub-assembly pulse*1 Min.: 128
Max.: 383Operates between 158 to 260 pulses - *1: for Dual Type
- *2: for Single Type
Body Electrical > Air Conditioner > Active Test
Tester Display Air Mix Servo Targ Pulse(D) Body Electrical > Air Conditioner > Active Test
Tester Display Air Mix Servo Targ Pulse(P) Body Electrical > Air Conditioner > Active Test
Tester Display Air Outlet Servo Pulse (D) Body Electrical > Air Conditioner > Active Test
Tester Display Air Inlet Damper Targ Pulse Body Electrical > Air Conditioner > Active Test
Tester Display A/O Servo Pulse (Rr D) OK
Each damper servo motor operates.
Result
Proceed to OK NG
Result:
OK
INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET. Refer to ON-VEHICLE INSPECTION [03/2017 - ]
Result:
NG
GO TO DTC TROUBLESHOOTING PROCEDURE FOR MALFUNCTIONING DAMPER SERVO MOTOR. Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 08/2021]