Honda NSS250A Reflex 2001-2007, Руководство пользователя

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FUEL SYSTEM (PGM-FI)
6-50
MIL 7 BLINKS (ECT SENSOR)
• Before starting the inspection, check for loose or
poor contact on the ECT sensor 3P (Gray) con-
nector and recheck the MIL blinking.
1. ECT Sensor Output Voltage Inspection
Connect the test harness to the ECM 33P (Black)
connector (page 6-17).
Turn the ignition switch ON and engine stop
switch " ".
Measure the voltage at the test harness termi-
nals.
Is the voltage within 2.7 – 3.1 V (20
°
C/68
°
F)?
YES – • Loose or poor contact on the ECM
connector
• Intermittent failure
NO – GO TO STEP 2.
2. ECT Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the ECT sensor 3P (Gray) connector.
Turn the ignition switch ON and engine stop
switch " ".
Measure the voltage at the ECT sensor 3P con-
nector of the wire side and ground.
Is the voltage within 4.75 – 5.25 V?
YES – GO TO STEP 5.
NO – GO TO STEP 3.
3. ECT Sensor Open Circuit Inspection
Turn the ignition switch OFF.
Check the continuity between the test harness
and ECT sensor 3P connector of the wire side.
Is there continuity?
YES – GO TO STEP 4.
NO – • Open circuit in Pink/white wire
• Open circuit in Green/orange wire
CONNECTION: 24 (+) – 4 (–)
STANDARD:
2.7 – 3.1 V (20
°
C/68
°
F)
TEST HARNESS PIN BOX
(24) (4)
CONNECTION: Pink/white (+) – Ground
STANDARD:
4.75 – 5.25 V
Pink/white
ECT SENSOR 3P CONNECTOR
(Wire side/female terminals)
CONNECTION: 24 – Pink/white
4 – Green/orange
(4)
(24)
TEST HARNESS PIN BOX
ECT SENSOR 3P CONNECTOR
(Wire side/female terminals)
Green/orange
Pink/
white
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