Honda SH125 Manual page 104

FUEL SYSTEM (Programmed Fuel Injection)
DTC 8-1 (TP SENSOR LOW VOLTAGE)
1. Recheck DTC
Erase the self-diagnostic memory to reset the
ECM (page 5-8).
Start the engine and let it idle.
Stop the engine.
Turn the ignition switch to ON and check the TP
sensor with the HDS.
I s the DTC 8-1 indicated?
NO
YES
-
Temporarily failure; the system is nor-
mal.
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
DTC 8-2 (TP SENSOR HIGH VOLTAGE)
1. Recheck DTC
Erase the self-diagnostic memory to reset the
ECM (page 5-8).
Start the engine and let it idle.
Stop the engine.
Turn the ignition switch to
ON
and check the TP
sensor with the HDS.
Is the DlC 8-2 indicated?
NO
YES
-
Temporarily failure; the system is nor-
mal.
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
DTC 9-1 (IAT SENSOR LOW VOLTAGE)
1. Recheck DTC
Erase the self-diagnostic memory to reset the
ECM (page 5-8).
Start the engine and let
it
idle.
Stop the engine.
Turn the ignition switch to ON and check the IAT
sensor with the HDS.
Is
the
DTC 9-1
indicated7
NO
YES
-
Temporarily failure; the system is nor-
mal.
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
DTC 9-2 (IAT SENSOR HIGH VOLTAGE)
1. Recheck DTC
Erase the self-diagnostic memory to reset the
ECM (page 5-8).
Start the engine and
let
it
idle.
Stop the engine.
Turn the ignition switch to ON and check the IAT
sensor with the HDS.
I s
the D l C 9-2 indicated?
NO
YES
-
Temporarily failure; the system is nor-
mal.
-
Replace the throttle body/ECM assem-
bly with a new one, and inspect again.
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