Dtc 12-1 (Injector) - Honda 2010 CRF250R Service Manual

3. IAT Sensor Line Inspection
Turn the "ECM" selector switch OFF.
Disconnect the ECM 33P (Black) connector.
Check for continuity at the Gray/blue and Green/red
wire between the tAT sensor 2P connector and
ECM 33P (Black) connector.
Connection : 9 - Gray/blue
22 - Green/red
TOOL:
Test probe 07ZAJ·RDJA 110
Is there continuity?
YES - Replace the ECM with a known good one,
and recheck.
NO Open circuit in Gray/blue wire
• Open circuit in Green/red wire
OTC 12-1 (INJECTOR)
Before starting the inspection, check for loose or
poor contact on the injector 2P (Gray) connector and
ECM 33P (Black) connector, then recheck the OTC.
1. Injector System Inspection
Erase the oTC's (page 5-14).
Connect the 12 V battery ("ECM" selector switch is
ON) (page 5-12)_
Check the injector with the HDS .
Is
DTC
12·1
indicated?
YES - GO TO STEP 2.
NO - Intermittent failure
2. Injector Input Voltage Inspection
Turn the "ECM" selector switch OFF.
Disconnect the injector 2P (Gray) connector.
Turn the "ECM" selector switch ON.
Measure the voltage between the injector 2P (Gray)
connector of the wire side and ground.
Connection: Pink/yellow (+) - Ground (-)
Is there battery voltage?
YES - GO TO STEP 3.
NO - Open circuit in PinkJyeliow wire
FUEL SYSTEM (PGM-FI)
1 "0-"2:
33P(BLACK)CONNECTOR
(Wire side/female terminals)
22 g'
ifQ
Gr/Bu
Q
After '12
2 2
~'
Gr/Bu
33P (BLACK) CONNECTOR
(Wire side/female terminals)
2P (GRAY) CONNECTOR
(Wire side/female terminals)
PrY
v
GIR
~
GIR
e
5-25