Honda SH125 Manual page 102

FUEL SYSTEM (Proarammed Fuel Iniection)
Remove the ECT sensor (page 5-48).
Measure the resistance between the ECT sensor
terminals.
Connection: Pinklwhite
-
Greenlorange
Standard: 2.3
-
2.6 kQ (2O0Cl68"F)
Is the resistance within 2.3
-
2.6 kO?
NO
-
Faulty ECT sensor.
YES
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
DTC 7-1 (ECT SENSOR LOW
VOLTAGE)
1. ECT Sensor System Inspection
Turn the ignition switch to ON.
Check the ECT sensor with the
HDS.
Is about 0 Vindicated?
NO
mal.
-
Temporarily failure; the system is nor-
YES
-
GO TO STEP 2.
2. ECT Sensor Inspection
Remove the luggage box (page 2-5).
Turn the ignition switch to OFF.
Disconnect the ECT sensor 3P (gray) connector.
Turn the ignition switch to
ON.
Check the ECT sensor with the HDS.
Is about 0 V indicated7
NO
YES
-
GO TO STEP 3.
-
GO TO STEP 4.
Green/
orange Pinuwhite
ECT SENSOR
I
4. ECT Sensor Short Circuit Inspection
Turn the ignition switch to
OFF.
Disconnect the ECM 32P connector by releasing
the lock lever.
Check for continuity between the wire harness
side ECT sensor connector terminal and ground.
Connection: Pinklwhite
-
Ground
Is there continuity?
YES
NO
-
Short circuit in P i n W h i t e wire.
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
5-23