60
FI
FUEL INJECTION SYSTEM
Fault code No.
14
Symptom
Intake air pressure sensor 1 (cylinders #1, #2, and #3): hose system mal-
function (clogged or detached hose).
Diagnostic code No. d:03 (intake air pressure sensor 1 (cylinders #1, #2, and #3))
Order
Item/components and probable cause
Check or maintenance job
Reinstatement
method
1
Intake air pressure sensor 1 (cylinders
#1, #2, and #3) hoses are detached,
clogged, kinked, or pinched.
Repair or replace the intake air pressure sensor 1
(cylinders #1, #2, and #3) hoses.
Starting the
engine and
operating it at
idle.
2
Intake air pressure sensor 1 (cylinders
#1, #2, and #3) malfunction at intermedi-
ate electrical potential.
Check and repair the connection.
Replace it if there is a malfunction.
3
Connections
• Intake air pressure sensor 1 (cylinders #1,
#2, and #3) coupler
• Wire harness ECU coupler
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
4
Defective intake air pressure sensor 1
(cylinders #1, #2, and #3).
Execute the diagnostic mode (code No. d:03).
Replace if defective.
Refer to “Fault code No. 13”.
Fault code No.
15
Symptom
Throttle position sensor: open or short circuit detected.
Diagnostic code No. d:01 (throttle position sensor)
Order
Item/components and probable cause
Check or maintenance job
Reinstatement
method
1
Installed condition of throttle position
sensor.
Check for looseness or pinching.
Check that it is installed in the specified position.
Refer to “THROTTLE BODY”.
Setting the
engine stop
switch to “RUN”
and turning the
main switch on.
2
Connections
• Throttle position sensor coupler
• Wire harness ECU coupler
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
3
Open or short circuit in wire harness.
Repair or replace if there is an open or short cir-
cuit.
Between the throttle position sensor coupler and
ECU coupler.
Black/Blue – Black/Blue
Yellow – Yellow
Blue – Blue
4
Throttle position sensor lead open circuit
output voltage check.
Check for open circuit and replace the throttle
position sensor.
Black/Blue – Yellow
Open circuit item
Output voltage
Ground wire open cir-
cuit
5 V
Output wire open circuit 0 V
Power supply wire
open circuit
0 V
5
Defective throttle position sensor.
Execute the diagnostic mode (code No. d:01).
Replace if defective.
Refer to “THROTTLE BODY”.
Summary of Contents for RST90GTY
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Page 15: ...CABLE ROUTING 102 ...
Page 19: ...ALLMÄN VÄGLEDNING FÖR ÅTDRAGNINGSMOMENT 101 DEFINITION AV ENHETER 101 KABELDRAGNING 102 ...
Page 127: ...FI ...
Page 183: ...FI ...
Page 271: ...SPEC ...
Page 272: ...102 SPEC CABLE ROUTING 8 9 0 A B C E F G C C D 1 2 3 4 5 5 6 7 A B A B ...
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