Honda NSS250A Reflex 2001-2007, Manual

Page: 181 / 718

FUEL SYSTEM (PGM-FI)
6-27
3. ECT Sensor Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the ECT sensor termi-
nals.
Is the resistance within 2.3 – 2.6 k
Ω
(20
°
C/68
°
F)?
YES – Replace the ECM with a known good
one, and recheck.
NO – Faulty ECT sensor
4. ECT Sensor Short Circuit Inspection
Turn the ignition switch OFF.
Check the continuity between the ECT sensor 3P
connector at the wire side and ground.
Is there continuity?
YES – Short circuit in Pink/white wire
NO – Replace the ECM with a known good
one, and recheck.
DTC 7-2 (ECT SENSOR HIGH
VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the ECT sensor 3P (Gray) con-
nector and recheck the HDS pocket tester.
1. ECT Sensor System Inspection
Turn the ignition switch ON and engine stop
switch " ".
Check the ECT sensor with the HDS pocket
tester.
Is about 5 V indicated?
YES – GO TO STEP 2.
NO – • Intermittent failure
• Loose or poor contact on the ECT
sensor 3P (Gray) connector
CONNECTION: Pink/white – Green/orange
STANDARD:
2.3 – 2.6 k
Ω
(20
°
C/68
°
F)
ECT SENSOR (Sensor side/male terminals)
Pink/white Green/orange
CONNECTION: Pink/white – Ground
ECT SENSOR 3P CONNECTOR
(Wire side/female terminals)
Pink/white
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