Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

(c) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER
CONNECTION
CONDITION SPECIFIED
CONDITION
PURPOSE
N32-13 (CA2H) -
N32-4 (GND)
Cable disconnected
from negative (-)
battery terminal
200 Ω or
higher
Below 200
Ω:
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
Component with harness connector
(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.
If the resistance becomes abnormal when an ECU connector is
reconnected, there may be a short in the ECU.
NG
REPAIR OR REPLACE CORRESPONDING ECU OR
SENSOR BRANCH LINES OR CONNECTOR
OK
REPLACE CORRESPONDING ECU OR SENSOR
16. CHECK FOR SHORT IN CAN BUS LINE (NO. 1 CAN JUNCTION TERMINAL)
(a) Reconnect the J20 No. 4 CAN junction connector.
(b) Disconnect the No. 1 CAN junction terminal.
cardiagn.com

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