Toyota Tundra (2015 year). Manual — part 2
2. DESCRIPTION
perform repairs.
HINT:
*: Techstream is the name for the diagnostic tester in North America.
3. DATA LINK CONNECTOR 3 (DLC3)
(a) The vehicle's ECU uses the ISO 15765-4 communication
TERMINAL NO.
(SYMBOLS)
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
7 (SIL) - 5 (SG)
Bus "+" line
During
transmission
Pulse
generation
4 (CG) - Body
ground
Chassis ground
Always
Below 1 Ω
5 (SG) - Body
ground
Signal ground
Always
Below 1 Ω
16 (BAT) - Body
ground
Battery positive
Always
11 to 14 V
6 (CANH) - 14
(CANL)
CAN bus line
Ignition switch
OFF*
54 to 69 Ω
6 (CANH) - 4
(CG)
HIGH-level CAN
bus line
Ignition switch
OFF*
200 Ω or higher
14 (CANL) - 4
(CG)
LOW-level CAN
bus line
Ignition switch
OFF*
200 Ω or higher
6 (CANH) - 16
(BAT)
HIGH-level CAN
bus line
Ignition switch
OFF*
6 kΩ or higher
14 (CANL) - 16
(BAT)
LOW-level CAN
bus line
Ignition switch
OFF*
6 kΩ or higher
NOTICE:
*: Before measuring the resistance, leave the vehicle as is for at
least 1 minute and do not operate the ignition switch, any other
switches, or the doors.
If the result is not as specified, the DLC3 may have a
malfunction. Repair or replace the harness and connector.
vehicle or with the tester.
HINT:
original vehicle.
If communication is still not possible when the tester is connected to another vehicle, the problem may be
in the tester itself. Consult the Service Department listed in the tester's instruction manual.
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Last Modified: 9-16-2014
6.6 F
Doc ID: RM000002V5U01FX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
1. OPERATION FLOW
HINT:
1.
VEHICLE BROUGHT TO WORKSHOP
2.
CUSTOMER PROBLEM ANALYSIS
(a) Ask the customer about the conditions and environment when the problem occurred.
3.
INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
4.
SYMPTOM CONFIRMATION AND DTC (INCLUDING FREEZE FRAME DATA) CHECK
(a) Visually check the wire harnesses, connectors and fuses for open and short circuits.
(b) Warm up the engine to the normal operating temperature.
A
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(c) Confirm the problem symptoms and conditions, and check for DTCs.
Result
RESULT
PROCEED TO
DTC is output
A
DTC is not output
B
B
Go to step 6
5.
DTC CHART
(a) Check the results obtained in the DTC check. Then find the output DTC in the DTC chart. Look at the
Go to step 7
6.
PROBLEM SYMPTOMS TABLE
(a) Check the results obtained in the symptom confirmation. Then find the problem symptoms in the
CIRCUIT INSPECTION OR PARTS INSPECTION
(a) Confirm the malfunctioning circuit or part.
8.
ADJUST, REPAIR OR REPLACE
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