Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

OK
Operating the ignition switch, any other switches or a door triggers related ECU and sensor communication
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 (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY
BRANCH LINE)
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the spiral cable with sensor sub-assembly
connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION CONDITION SPECIFIED CONDITION
S32-3 (CANH) - S32-2 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
Text in Illustration
*a
Front view of wire harness connector
(to Spiral Cable with Sensor Sub-assembly)
NG
REPAIR OR REPLACE CAN BRANCH LINE OR
CONNECTOR (SPIRAL CABLE WITH SENSOR
SUB-ASSEMBLY)
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
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