Toyota Corolla Cross: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. FUEL PUMP ASSEMBLY OPERATION
(a) Check fuel pressure.
(1) Connect the GTS to the DLC3.
(2) Start the engine.
(3) Turn the GTS on.
(4) Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure Offset / Fuel Pressure (High).
Powertrain > Engine > Active Test|
Active Test Display |
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Control the Target Fuel Pressure Offset |
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Data List Display |
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Fuel Pressure (High) |
(5) Check that the fuel pressure fluctuates when the target fuel pressure changes.
HINT:
The target fuel pressure operation decreases the target fuel pressure by 12.5% or increases the target fuel pressure by 24.8%.
If the result is not as specified, replace the fuel pump assembly or fuel pressure sensor.
(b) Check operating sound.
(1) Start the engine.
(2) Using a sound scope, check the operating sound of the fuel pump assembly.
If no sound can be heard, check the fuel pump assembly, wire harness and ECM.
(3) Stop the engine.
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Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 PRECAUTION
-
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2 DISCHARGE FUEL SYSTEM PRESSUR
Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 FUEL PUMP LIFTER ASSEMBLY
23470
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2
SEE MORE:
How To Proceed With Troubleshooting
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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2.
CONFIRM PROBLEM SYMPTOMS
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3.
Instrument Panel Illumination does not Turn On
DESCRIPTION The power distribution box assembly controls the instrument panel illuminations. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (mult
