Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

A
Result
RESULT PROCEED TO
OK A
NG (ECU or sensor branch lines) B
NG (No. 2 CAN junction connector main lines) C
NG (ECM main lines) D
B
GO TO STEP 5
C
REPAIR OR REPLACE CAN MAIN BUS LINES (NO. 1
CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION
CONNECTOR)
D
REPAIR OR REPLACE CAN MAIN BUS LINES (ECM -
NO. 1 CAN JUNCTION CONNECTOR)
5. CHECK FOR SHORT IN CAN BUS LINES (ECU, SENSOR)
(a) Reconnect all wire harness connectors (No. 1 CAN junction connector and No. 2 CAN junction
connector).
(b) Disconnect the connector that includes terminals CANH and CANL from the ECU or sensor to which
the short circuited branch line is connected .
(c) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER
CONNECTION
CONDITION SPECIFIED
CONDITION
D4-6 (CANH) -
D4-14 (CANL)
Cable disconnected from
negative (-) battery terminal
54 to 69 Ω
Text in Illustration
*1 DLC3
HINT:
I
f the resistance becomes normal (between 54 and 69 Ω) when
the connector is disconnected from the ECU or sensor, there may
cardiagn.com

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