Honda SH300 2006 Manual page 136

FUEL SYSTEM (PGM-FI)
4. IAT sensor Ground line Inspection
Turn the ignition switch "OFF".
Disconnect the ECM 33P connector.
Check for continuity between the sensor unit
connector of the wire harness side and ECM con-
nector of the wire harness side.
CONNECTION:Green/Orange – No. 4
STANDARD:
TOOL:
Test probe
Is there continuity?
YES
NO
DTC 12-1 (INJECTOR)
• Before starting the inspection, check for loose or
poor contact on the injector connector and
recheck the DTC.
1. Injector System Inspection
Reset the ECM (page 6-12).
Turn the ignition switch "ON" and engine stop
switch "
injector with the HDS pocket tester.
Is the DTC 12-1 indicated?
YES
NO
2. Injector Input Voltage Inspection
Turn the ignition switch ON.
Disconnect the injector 2P connector.
Turn the ignition switch "ON" and engine stop
switch "
Measure the voltage between the injector 2P
connector of the wire harness side and ground.
Connection: Black/White (+) – Ground (–)
Does the battery voltage exist?
YES
NO
6-26
(Green/Orange)
Continuity
07ZAJ-RDJA110
– Replace the ECM with a new one, and
recheck; refer to Key Registration Proce-
dures (page 23-4)
– Open circuit in Green/Orange wire
", then start the engine and check the
– GO TO STEP 2.
– • Intermittent failure
• Loose or poor contact on the injector
2P (Gray) connector
".
– GO TO STEP 3.
– Open circuit in Black/White wire
33P CONNECTOR
(Wire side of female terminal)
G/O
5P (Black) CONNECTOR
(Wire side of female terminal)
2P CONNECTOR (Wire side of
female terminal)
Bl/W