Toyota Tundra (2015 year). Manual — part 1400
operating ignition coil.
2.
Result
RESULT
PROCEED TO
OK
Replace ignition coil with igniter
NG
Go to next step
(3) Check the power supply to the ignition coil with igniter.
Turn the ignition switch to ON.
1.
Check that there is battery voltage at the ignition coil positive (+) terminal.
2.
Result
RESULT
PROCEED TO
NG
Check wiring between ignition switch and ignition coil with igniter
OK
Go to next step
(4) Inspect the spark plug.
Replace the spark plug with a normal one.
1.
Perform a spark test.
2.
Result
RESULT
PROCEED TO
OK
Replace spark plug
NG
inspect the ignition system
NOTICE:
If an ignition coil assembly is struck or dropped, replace it with a new one.
If a spark plug is struck or dropped, replace it with a new one.
(5) Connect the 8 injector connectors.
(6) Install the ignition coils and spark plugs
.
3. INSPECT SPARK PLUG
NOTICE:
1UR-FE IGNITION: IGNITION SYSTEM: ON-VEHICLE INSPECTIO...
(1) Using a megohmmeter, measure the insulation resistance.
Standard Insulation Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
Spark plug (terminal part) - Body
ground
Always
10 MΩ or higher
If the insulation resistance is below the specified range,
replace the spark plug.
HINT:
If a megohmmeter is not available, perform the following simple
inspection instead.
(b) Alternative inspection method:
(1) Start the engine.*
(2) Quickly accelerate the engine to 4000 rpm 5 times.*
NOTICE:
*: Do not perform this step if P0300 (misfire detection) or a related DTC is stored.
(3) Remove the spark plug.
(4) Visually check the spark plug.
If the electrode is dry, the spark plug is functioning properly.
If the electrode is damp, proceed to the next step.
(c) Check the spark plug for any damage to its threads and insulator.
If there is any damage, replace the spark plug.
Recommended Spark Plug:
MANUFACTURER
TYPE
DENSO made
SK20HR11
(d) Check the spark plug electrode gap.
1UR-FE IGNITION: IGNITION SYSTEM: ON-VEHICLE INSPECTIO...
Maximum electrode gap for a used spark plug:
1.3 mm (0.0512 in.)
If the gap is more than the maximum, replace the spark plug.
Electrode gap for a new spark plug:
1.0 to 1.1 mm (0.0394 to 0.0433 in.)
NOTICE:
588 kPa (6.0 kgf/cm
2
, 85 psi)
Standard duration:
20 seconds or less
HINT:
1UR-FE IGNITION: IGNITION SYSTEM: ON-VEHICLE INSPECTIO...
Last Modified: 9-16-2014
6.6 K
Doc ID: RM0000031GP025X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE INTAKE: INTAKE MANIFOLD: COMPONENTS; 2015 MY Tundra [08/2014 - ]
COMPONENTS
ILLUSTRATION
ILLUSTRATION
1UR-FE INTAKE: INTAKE MANIFOLD: COMPONENTS; 2015 MY ...
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