Toyota Tundra (2015 year). Manual — part 2691
OK
NEXT
5.
CHECK FOR OPEN IN CAN BUS WIRE (NO. 3 JUNCTION CONNECTOR -
COMBINATION METER ASSEMBLY)
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J76-1 (CANH) - J76-12
(CANL)
Ignition switch off
108 to 132 Ω
Text in Illustration
*a
NG
GO TO STEP 6
OK
REPLACE NO. 3 JUNCTION CONNECTOR
6.
CONNECT CONNECTOR
(a) Reconnect the J76 No. 3 junction connector.
7.
CHECK FOR OPEN IN CAN BUS WIRE (COMBINATION METER ASSEMBLY - NO. 3
JUNCTION CONNECTOR)
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...
NEXT
(a) Disconnect the J28 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J28-18 (MSCH) - J28-19 (MSCL)
Ignition switch off
108 to 132 Ω
Text in Illustration
*a
NG
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED
TO COMBINATION METER ASSEMBLY
(COMBINATION METER ASSEMBLY - NO. 3
JUNCTION CONNECTOR)
OK
REPLACE COMBINATION METER ASSEMBLY
8.
CONNECT CONNECTOR
(a) Reconnect the J76 No. 3 junction connector.
9.
CHECK FOR OPEN IN CAN BUS WIRE (MAIN BODY ECU - NO. 3 JUNCTION
CONNECTOR)
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...
(a) Disconnect the J2 main body ECU (driver side junction block
assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J2-16 (CANP) - J2-15 (CANN)
Ignition switch off
108 to 132 Ω
Text in Illustration
*a
NG
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED
TO MAIN BODY ECU (MAIN BODY ECU - NO. 3
JUNCTION CONNECTOR)
OK
REPLACE MAIN BODY ECU (DRIVER SIDE
JUNCTION BLOCK ASSEMBLY)
10.
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - FRONT
POWER SEAT CONTROL ECU AND SWITCH LH)
(a) Disconnect the J76 No. 3 junction connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...
OK
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J76-3 (CANH) - J76-14 (CANL)
Ignition switch off
200 Ω or higher
J76-3 (CANH) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J76-14 (CANL) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J76-3 (CANH) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
J76-14 (CANL) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
GO TO STEP 15
11.
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - MULTIPLEX
TILT AND TELESCOPIC ECU)
(a) Measure the resistance according to the value(s) in the
table below.
Standard Resistance:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J76-2 (CANH) - J76-13
(CANL)
Ignition switch off
200 Ω or higher
J76-2 (CANH) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J76-13 (CANL) - J17-4
(CG)
Ignition switch off
200 Ω or higher
J76-2 (CANH) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
J76-13 (CANL) - J17-16
(BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
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