Air Conditioning Amplifier Communication Stop Mode [10/2014 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the D62 air conditioning amplifier assembly connector.TEXT IN ILLUSTRATION
*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 D62-11 (CANH) - D62-12 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
NG
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY)
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value (s) in the table below.TEXT IN ILLUSTRATION
*a Front view of wire harness connector
(to Air Conditioning Amplifier Assembly)Standard Resistance
Tester Connection Condition Specified Condition D62-14 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω - Connect the cable to the negative (-) battery terminal.
- Measure the voltage according to the value (s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition D62-1 (IG+) - Body ground Engine switch on (IG) 11 to 14 V D62-21 (B) - Body ground Always 11 to 14 V
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY
Refer to REMOVAL [10/2014 - ] )
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value (s) in the table below.