Toyota Tundra (2015 year). Manual — part 1853
NEXT
NEXT
NEXT
18.
IDENTIFY PROBLEM
19.
ADJUST AND/OR REPAIR
20.
CONDUCT CONFIRMATION TEST
NEXT
END
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO P...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000PDQ16EX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: CHECK FOR INTERMITTENT PROBLEMS; 2015 MY
Tundra [08/2014 - ]
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with the
Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which
is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
Clear the DTCs
.
1.
Switch the ECM from normal mode to check mode using the Techstream
.
2.
Perform a simulation test.
3.
Check and wiggle the harness(es), connector(s) and terminal(s).
4.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: CHECK FOR...
OK
OK
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000PDM0T6X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC INSPECTION; 2015 MY Tundra [08/2014 -
]
BASIC INSPECTION
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits
this check is essential when performing engine troubleshooting.
1.
CHECK BATTERY VOLTAGE
NOTICE:
Conduct this check with the engine stopped and ignition switch off.
Result
RESULT
PROCEED TO
11 V or more
OK
Below 11 V
NG
NG
CHARGE OR REPLACE BATTERY
2.
CHECK WHETHER ENGINE WILL CRANK
NG
PROCEED TO PROBLEM SYMPTOMS TABLE
3.
CHECK WHETHER ENGINE STARTS
NG
GO TO STEP 6
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC INSP...
OK
OK
OK
OK
4.
CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Visually check that the air filter is not excessively contaminated with dirt or oil.
NG
REPLACE AIR FILTER
5.
CHECK IDLING SPEED
NG
TROUBLESHOOT IDLING SPEED AND PROCEED
TO NEXT STEP
6.
CHECK FUEL PRESSURE
NG
TROUBLESHOOT FUEL PRESSURE AND PROCEED
TO NEXT STEP
7.
CHECK FOR SPARK
NG
TROUBLESHOOT SPARK AND PROCEED TO NEXT
STEP
OK
PROCEED TO PROBLEM SYMPTOMS TABLE
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC INSP...
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