Toyota Tundra (2015 year). Manual — part 2720
(a) Disconnect the J135 navigation receiver assembly
connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J135-9 (CANH) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
J135-10 (CANL) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
RESULT
PROCEED TO
OK (for Column Shift Type)
A
OK (for Floor Shift Type)
B
NG
C
B
REPLACE NAVIGATION RECEIVER ASSEMBLY
C
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED
TO NAVIGATION RECEIVER ASSEMBLY (CANH, CANL)
A
REPLACE NAVIGATION RECEIVER ASSEMBLY
27.
CONNECT CONNECTOR
(a) Reconnect the J74 No. 2 junction connector.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
NEXT
OK
28.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 1 JUNCTION CONNECTOR - NO. 2
JUNCTION CONNECTOR)
(a) Disconnect the J75 No. 1 junction connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J75-1 (CANH) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
J75-12 (CANL) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
REPAIR OR REPLACE CAN MAIN WIRE OR
CONNECTOR (NO. 1 JUNCTION CONNECTOR - NO. 2
JUNCTION CONNECTOR)
29.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 1 JUNCTION CONNECTOR -
CENTER AIRBAG SENSOR ASSEMBLY)
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
J75-3 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J75-14 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 35
30.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 1 JUNCTION CONNECTOR - MAIN
BODY ECU)
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J75-5 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J75-16 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
OK
OK
NG
GO TO STEP 37
31.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 1 JUNCTION CONNECTOR -
STEERING ANGLE SENSOR)
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J75-6 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J75-17 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 39
32.
CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 1 JUNCTION CONNECTOR -
BRAKE CONTROL WITH BRACKET RELAY)
NOTICE:
For vehicles without a trailer brake control system, go to "Check for Short to B+ in CAN Bus Wires (No. 1
Junction Connector - Skid Control ECU)".
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...
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