Honda SH125 Manual page 97

FUEL SYSTEM (Programmed Fuel Injection)
4.
0 2
Sensor Heater Short Circuit Inspection
Disconnect the test harness.
Check for continuity between the 4P connector
terminal and ground.
Connection: White
-
Ground
Is there continuity?
YES
NO
-
Short circuit in the White wire.
-
Replace the throttle body/ECM assern-
bly with a n ew one, and inspect again.
MIL 29 BLINKS (IAC VALVE)
1. Recheck MIL
Erase the self-diagnostic memory to reset the
ECM (page 5-8).
Start the engine and let it idle. Check that the
MIL blinks.
Is the MIL blinking?
NO
YES
-
Temporarily failure; the system is nor-
mal.
-
Replace the throttle body/ECM assem-
bly with a n e w one, and inspect again.
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