Operation not Accepted Even If Air Conditioning Switch is Operated [03/2017 - 10/2020]: Procedure
- CONFIRM MODEL
Result
Result Proceed to for 8 Inch Display A for 7 Inch Display B Result:
B
See step 6
Result:
A
See step 2
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - POWER SOURCE AND BODY GROUND)
- Disconnect the h1 air conditioning control panel (radio and display receiver assembly) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition h1-6 (GND) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition h1-3 (+B) - Body ground Power switch off 11 to 14 V h1-10 (ACC) - Body ground Power switch on (ACC) 11 to 14 V h1-2 (IG1) - Body ground Power switch on (IG) 11 to 14 V Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)
- Check for DTCs.
Body Electrical > Navigation System > Trouble Codes
OK
DTC B15F9 is not output.
Result
Proceed to OK NG
Result:
NG
REPLACE AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY). Refer to REMOVAL [03/2017 - 06/2017] , or refer to REMOVAL [06/2017 - 10/2020]
Result:
OK
See step 4
- Check for DTCs.
- CHECK FOR DTC (CAN COMMUNICATION SYSTEM)
- Using the Techstream, check for CAN communication system DTCs.
Refer to DIAGNOSTIC TROUBLE CODE CHART [03/2017 - ]
Result
Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output B
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]
Result:
A
See step 5
- Using the Techstream, check for CAN communication system DTCs.
- 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 Blower Motor Blower motor with fan sub-assembly Min.: 0
Max.: 31- Body Electrical > Air Conditioner > Active Test
Tester Display Blower Motor OK
Blower motor with fan sub-assembly operates normally.
Result
Proceed to OK NG
Result:
OK
REPLACE AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY). Refer to REMOVAL [03/2017 - 06/2017] , or refer to REMOVAL [06/2017 - 10/2020]
Result:
NG
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [03/2017 - 06/2017] , or refer to REMOVAL [06/2017 - ]
- CHECK FOR DTC
- Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
OK
DTC B14B2 is not output.
Result
Proceed to OK NG
Result:
NG
GO TO DTC B14B2. Refer to DTC B14B2: Lost Communication with Front Panel LIN [03/2017 - ]
Result:
OK
See step 7
- Check for DTCs.
- CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY AND BODY GROUND)
*a Front view of wire harness connector
(to Air Conditioning Amplifier Assembly)- Disconnect the K54 air conditioning amplifier assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K54-4 (GND) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Switch Condition Specified Condition K54-1 (B) - Body ground Always 11 to 14 V K54-2 (IG+) - Body ground Ignition switch ON 11 to 14 V Ignition switch off Below 1 V Result
Proceed to OK NG
Result:
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [03/2017 - 06/2017] , or refer to REMOVAL [06/2017 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR