Toyota Tundra (2015 year). Manual — part 2688
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(a) Disconnect the S6 blind spot monitor sensor RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
S6-2 (CA1P) - S6-7 (CA1N)
Ignition switch off
54 to 69 Ω
S6-2 (CA1P) - J17-4 (CG)
Ignition switch off
200 Ω or higher
S6-7 (CA1N) - J17-4 (CG)
Ignition switch off
200 Ω or higher
S6-2 (CA1P) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
S6-7 (CA1N) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
REPAIR OR REPLACE CAN BRANCH WIRE
CONNECTED TO BLIND SPOT MONITOR SENSOR RH
(CA1P, CA1N)
OK
REPLACE BLIND SPOT MONITOR SENSOR RH
15.
CONNECT CONNECTOR
(a) Reconnect the R17 No. 6 junction connector.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002...
16.
CHECK FOR SHORT IN CAN BUS WIRE (NETWORK GATEWAY ECU)
(a) Disconnect the J123 network gateway ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J123-13 (CA2H) - J123-12 (CA2L)
Ignition switch off
108 to 132 Ω
J123-13 (CA2H) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J123-12 (CA2L) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J123-13 (CA2H) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
J123-12 (CA2L) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
Text in Illustration
*a
*b
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED
TO NETWORK GATEWAY ECU (CA2H, CA2L)
OK
REPLACE NETWORK GATEWAY ECU
17.
CONNECT CONNECTOR
(a) Reconnect the R17 No. 4 junction connector.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002...
NEXT
18.
CHECK FOR SHORT IN CAN BUS WIRE (NO. 5 JUNCTION CONNECTOR)
(a) Disconnect the J77 No. 5 junction connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J77-3 (CANH) - J77-2 (CANL)
Ignition switch off
108 to 132 Ω
J77-3 (CANH) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J77-2 (CANL) - J17-4 (CG)
Ignition switch off
200 Ω or higher
J77-3 (CANH) - J17-16 (BAT)
Ignition switch off
6 kΩ or higher
J77-2 (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. 5 JUNCTION CONNECTOR - NO. 4
JUNCTION CONNECTOR)
OK
REPLACE NO. 5 JUNCTION CONNECTOR
19.
CHECK HARNESS AND CONNECTOR (NETWORK GATEWAY ECU - BATTERY AND
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002...
BODY GROUND)
(a) Connect the cable to the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be
initialized after the cable is reconnected
.
(b) Disconnect the J123 network gateway ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J123-4 (GND) - Body ground
Always
Below 1 Ω
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage :
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J123-2 (BATT) - Body ground
Always
11 to 14 V
J123-10 (IG1) - Body ground
Ignition switch ON
11 to 14 V
J123-9 (IG2) - Body ground
Ignition switch ON
11 to 14 V
Text in Illustration
*a
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE NETWORK GATEWAY ECU
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002...
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