Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

OK
NG
REPAIR OR REPLACE CAN MAIN BUS LINE OR
CONNECTOR (ECM MAIN LINE)
3. CHECK ECM POWER SOURCE CIRCUIT
(a) Check the ECM power source circuit .
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(POWER SOURCE CIRCUIT)
OK
REPLACE ECM
4. CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE)
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION CONDITION SPECIFIED
CONDITION
E20-13 (CANH) - E20-14
(CANL)
Cable disconnected from negative (-) battery
terminal
108 to 132 Ω
Text in Illustration
*a
Front view of wire harness connector
(to ECM)
NG
REPAIR OR REPLACE CAN MAIN BUS LINE OR
CONNECTOR (ECM MAIN LINE)
cardiagn.com

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