Toyota Tundra (2015 year). Manual — part 1233
HINT:
For the fuel system On-vehicle Inspection, refer to the following procedures
.
NG
REPAIR OR REPLACE MALFUNCTIONING PARTS,
COMPONENT AND AREA
OK
END
83.
CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the Techstream on.
(d) Clear the DTCs
.
NEXT
END
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM0000021150LNX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startability Malfunction; 2015 MY Tundra [08/2014 -
]
DTC
P1604
Startability Malfunction
DESCRIPTION
This DTC is stored when the engine does not start even though the STA signal is input or when the engine takes a long
time to start, and when the engine speed is low or the engine stalls just after the engine starts.
Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze
frame data. Freeze frame data records engine conditions when a malfunction occurs. This information can be useful
when troubleshooting.
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
P1604
Either condition is met:
The engine speed is below 500 rpm with the STA signal on for
After the engine starts (engine speed is 500 rpm or more), the
engine speed drops to 200 rpm or less within approximately 2
seconds (1 trip detection logic).
Immobiliser system
Engine assembly (excess
friction, compression
loss)
Starter assembly
Crankshaft position
sensor
Engine coolant
temperature sensor
Fuel pump
Fuel pump control system
Fuel pipes
Fuel injector assembly
Throttle with motor body
assembly
Pressure regulator
Battery
Drive plate
Spark plug
Ignition coil circuit
Intake system
Camshaft timing oil
control valve
Mass air flow meter
Air fuel ratio sensor
Valve timing
Fuel
Purge VSV
EGR system
Intake valve
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
Exhaust valve
ECM
1. Reference waveforms showing a normal cold engine start
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
2. Reference waveforms showing a normal warm engine start
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
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