Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

TESTER
CONNECTION
CONDITION SPECIFIED
CONDITION
PURPOSE
battery terminal
CANH
ground
short
N32-12 (CA2L) -
N32-4 (GND)
Cable disconnected
from negative (-)
battery terminal
200 Ω or
higher
Below 200
Ω:
CANL
ground
short
N32-13 (CA2H) -
N32-2 (BATT)
Cable disconnected
from negative (-)
battery terminal
6 kΩ or higher
Below 6
kΩ:
CANH +B
short
N32-12 (CA2L) -
N32-2 (BATT)
Cable disconnected
from negative (-)
battery terminal
6 kΩ or higher
Below 6
kΩ:
CANL +B
short
Text in Illustration
*a
Front view of wire harness connector
(to Network Gateway ECU)
HINT:
I
t is only necessary to perform the inspection in the above table
for the result (short circuit) that was obtained in the Check Sub
Bus 2 inspection.
Find the necessary inspection from the Purpose column that
matches the result in the Result column from the Check Sub Bus
2 inspection.
NG
REPAIR OR REPLACE CAN MAIN BUS LINE OR
CONNECTOR (NO. 3 CAN JUNCTION CONNECTOR -
NETWORK GATEWAY ECU)
OK
REPLACE NETWORK GATEWAY ECU
15. CHECK CAN BUS LINE (ECUS, SENSOR)
(a) Reconnect all wire harness connectors (No. 3 CAN junction connector and No. 4 CAN junction
connector).
(b) Disconnect the connector that includes terminals CANH and CANL from the ECU to which the bus line
shorted to B+ or shorted to GND is connected .
cardiagn.com

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