Toyota Yaris: Fuel Pressure Sensor (for High Pressure) / Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel pressure sensor removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Replacement of fuel pressure sensor (for high pressure side) | Inspection after repair |
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CAUTION:
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Never perform work on fuel system components near any possible ignition sources.
- Vaporized fuel could ignite, resulting in a serious accident.
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Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal.
- Sparks could cause vaporized fuel to ignite, resulting in a serious accident.
NOTICE:
- After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 120 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.
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This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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HINT:
When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
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Learning completes when vehicle is driven
Effect/Inoperative Function When Necessary Procedures are not Performed
Necessary Procedures
Link
Lane tracing assist system
Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.
Pre-collision system
Stop and start system
Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)
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Learning completes when vehicle is operated normally
Effect/Inoperative Function When Necessary Procedures are not Performed
Necessary Procedures
Link
Power door lock control system
- Back door opener
Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Air conditioning system
After the ignition switch is turned to ON, the servo motor standard position is recognized.
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PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
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2. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.
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3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
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4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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5. REMOVE FUEL PRESSURE SENSOR
| (a) Disconnect the fuel pressure sensor connector. |
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| (b) Using an 8 mm socket wrench, remove the 2 bolts and No. 1 fuel pressure sensor holder. |
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| (c) Remove the fuel pressure sensor from the fuel delivery pipe. NOTICE:
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Components
COMPONENTS ILLUSTRATION
*1 FUEL PRESSURE SENSOR *2 NO. 1 FUEL PRESSURE SENSOR HOLDER *3 NO. 1 ENGINE COVER SUB-ASSEMBLY - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft...
Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL PRESSURE SENSOR (a) Check the fuel pressure sensor output voltage. (1) Apply 5 V between terminals 1 (VC) and 2 (E2)...
Other information:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Typical Enabling Conditions Preconditions that allow the ECM to detect malfunctions...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
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Fuel Gauge
The fuel gauge shows approximately how much fuel is remaining in the tank when the ignition is switched ON. We recommend keeping the tank over 1/4 full.
