Combination Meter ECU Communication Stop Mode [03/2017 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (COMBINATION METER ASSEMBLY MAIN LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the K21 combination meter assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K21-32 (CANH) - K21-31 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω *a Front view of wire harness connector
(to Combination Meter Assembly)Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER ASSEMBLY)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K21-2 (EP) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω K21-21 (ES) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω *a Front view of wire harness connector
(to Combination Meter Assembly) - Reconnect 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 K21-39 (IG+) - Body ground Ignition switch ON 11 to 14 V K21-40 (B) - Body ground Always 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [03/2017 - 06/2017] , or refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.