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) Turn the power switch on (IG).
(3) Turn the GTS on.
(4) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility|
Tester Display |
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| Inspection Mode |
(5) Start the engine.
(6) Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure Offset.
Powertrain > Engine > Active Test|
Active Test Display |
|---|
|
Control the Target Fuel Pressure Offset |
|
Data List Display |
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|
Fuel Pressure (High) |
(7) Select the Data List item: Fuel Pressure (High).
(8) 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.
READ NEXT:
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 PRECAUTION
-
- -
2 DISCHARGE FUEL SYSTEM PRESSUR
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 PRECAUTION
-
- -
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
SEE MORE:
Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012987,U014087,U015587,U016387,U016887,U111787,U114F87)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No. Detection Item
Trouble Area U010087
Lost Communication with ECM/PCM "A" Missing Message
CAN communication system
ECM
Multiplex network door ECU
U010187
Rear Television Camera Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Rear Television Camera Communication Stop Mode
Communication stop for "Parking Assist Monitor System / Rear Camera"
is indicated on the "Communication Bus Check" scre
