Air Conditioning Amplifier Communication Stop Mode [10/2016 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the K11 air conditioning amplifier assembly connector.
*a Front view of wire harness connector
(to Air Conditioning Amplifier Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K11-3 (CANH) - K11-4 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the K10 air conditioning amplifier assembly connector.
*a Front view of wire harness connector
(to Air Conditioning Amplifier Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K10-1 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω - Reconnect the cable to the negative (-) battery terminal.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector
(to Air Conditioning Amplifier Assembly)Standard Voltage
Tester Connection Condition Specified Condition K10-5 (IG+) - Body ground Engine switch on (IG) 11 to 14 V K10-6 (+B1) - Body ground Always 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [04/2013 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the K10 air conditioning amplifier assembly connector.