Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

10. CHECK FOR SHORT IN SUB BUS 2 LINES (NO. 4 CAN JUNCTION CONNECTOR)
(a) Reconnect the J2 No. 3 CAN junction connector.
(b) Disconnect the No. 4 CAN junction connector.
(c) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER
CONNECTION
CONDITION SPECIFIED
CONDITION
CONNECTED
TO
J20-1 (CANH) -
J20-3 (CANL)
Cable disconnected
from negative (-)
battery terminal
108 to 132 Ω
No. 3 CAN
junction
connector
J20-2 (CANH) -
J20-4 (CANL)
Cable disconnected
from negative (-)
battery terminal
108 to 132 Ω
No. 1 CAN
junction
terminal
J20-6 (CANH) -
J20-7 (CANL)
Cable disconnected
from negative (-)
battery terminal
200 Ω or
higher
Blind Spot
Monitor Sensor
LH*1
*1: w/ Blind Spot Monitor System
Text in Illustration
*a
Front view of wire harness connector
(to No. 4 CAN Junction Connector)
*b to No. 3 CAN Junction Connector
*c to No. 1 CAN Junction Terminal
*d to Blind Spot Monitor Sensor LH (w/ Blind Spot Monitor System)
Result
RESULT PROCEED TO
OK A
NG (No. 3 CAN junction connector main lines) B
NG (ECU or sensor branch lines) C
NG (No. 1 CAN junction terminal main lines) D
B
REPAIR OR REPLACE CAN MAIN BUS LINES OR
CONNECTOR (NO. 3 CAN JUNCTION CONNECTOR -
NO. 4 CAN JUNCTION CONNECTOR)
C
GO TO STEP 11
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