Toyota Tundra (2015 year). Manual — part 2717
OK
OK
*a
GO TO STEP 27
6.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR - AIR
CONDITIONING AMPLIFIER ASSEMBLY)
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J74-1 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J74-12 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 13
7.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR - 4WD
CONTROL ECU)
NOTICE:
For vehicles without a 4WD, go to "Check for Short to B+ in CAN Bus Wire (No. 2 Junction Connector - Bus
Buffer ECU)".
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
OK
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J74-2 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J74-13 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 15
8.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR - BUS
BUFFER ECU)
NOTICE:
For vehicles without a bus buffer ECU, go to "Check for Short to B+ in CAN Bus Wire (No. 2 Junction
Connector - Network Gateway ECU)".
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J74-5 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J74-16 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
OK
OK
*a
*b
GO TO STEP 17
9.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR -
NETWORK GATEWAY ECU)
NOTICE:
For vehicles without a blind spot monitor system, go to "Check for Short to B+ in CAN Bus Wire (No. 2
Junction Connector - ECM)".
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J74-6 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J74-17 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 19
10.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR - ECM)
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
A
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J74-3 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J74-14 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
RESULT
PROCEED TO
OK (w/ Audio and Visual System)
A
OK (w/ Navigation System)
B
NG
C
B
GO TO STEP 12
C
GO TO STEP 21
11.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR -
RADIO AND DISPLAY RECEIVER ASSEMBLY)
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
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