PGM-FI SYSTEM
4-38
DTC
8-1
(TP SENSOR LOW VOLTAGE)
NOTE:
Before starting the inspection, check for loose or poor
contact
on
the sensor unit
5P
(Black) connector and
recheck the
OTC.
1. TP Sensor System Inspection
Turn the ignition switch
DN.
Check the
TP
sensor with the MCS with the throttle
fully closed.
Is about O Vindicated?
YES - •
Intermittent failure
• Loose or poor contact
on
the sensor
unit
5P
(Black) connector
NO -
GO
TO
STEP
2.
2.
Sensor Unit Power Line Inspection
Check the sensor unit power line inspection (page
4-33).
Is the sensor unit
power
line normal?
YES -
GO
TO
STEP
3.
NO -
Replace or repair the abnormal circuit.
3.
TP Sensor Output Line Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the sensor unit
5P
(Black) connector
(page 7-15).
Check for continuity between the sensor unit
5P
(Black) connector
[1]
of
the wire harness side
and
ground.
Connection: Yellow/blue - Ground
Is there continuity?
YES -
Short circuit
in
the Yellow/blue wire
NO -
GO
TO
STEP
4.
4.
TP Sensor Output Line Open Circuit Inspection
Disconnect the
ECM
33P (Black) connector (page
4-49).
Check for continuity between the
ECM
33P
(Black)
connector
[1]
and
sensor unit
5P
(Black) connector
[2]
of
the wire harness side.
Connection:
AB
-
Yellow/blue
TOOL:
Test probe, 2 pack
07ZAJ-RDJA 110
Is there continuity?
YES -
GO
TO
STEP
5.
NO -
Open circuit
in
the Yellow/blue wire
[1]
Yellow/blue
Yellow/blue
[2]
[1]
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