Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

OK
on the CAN. This communication will cause the resistance value to change.
Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction
may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while
performing the inspection below may help determine the cause of the malfunction.
PROCEDURE
1.
CHECK FOR OPEN IN CAN BUS LINES (RADIO AND DISPLAY RECEIVER ASSEMBLY
BRANCH LINE)
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION CONDITION SPECIFIED CONDITION
R31-9 (CANH) - R31-10 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
Text in Illustration
*a
Front view of wire harness connector
(to Radio and Display Receiver Assembly)
NG
REPAIR OR REPLACE CAN BRANCH LINE OR
CONNECTOR (RADIO AND DISPLAY RECEIVER
ASSEMBLY)
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
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