Honda CRF1000 Shop Manual page 132

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PGM-FI SYSTEM
3. Fuel Injector Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the injector side 2P
connector [1].
Standard: 11 – 13 Ω (20°C/68°F)
Is the resistance within standard value?
YES
NO
4. Fuel Injector Signal Line Open Circuit Inspection
Disconnect the ECM/PCM 33P (Black) connector
(page 4-39).
Check for continuity between the wire harness side
2P connector [1] and 33P (Black) connector [2].
TOOL:
Test probe
Connection:
No.1: Pink/black – B3
No.2: Pink/blue – B4
Is there continuity?
YES
NO
5. Fuel Injector Signal Line Short Circuit Inspection
Check for continuity between the wire harness side
2P connector [1] and ground.
Connection:
No.1: Pink/black – Ground
No.2: Pink/blue – Ground
Is there continuity?
YES
NO
4-24
– GO TO STEP 4.
– Faulty fuel injector
07ZAJ-RDJA110
– GO TO STEP 5.
– • Open circuit in the Pink/black wire
• Open circuit in the Pink/blue wire
– • Short circuit in the Pink/black wire
• Short circuit in the Pink/blue wire
– Replace the ECM/PCM with a known good
one (page 4-39) and recheck.
[1]
No.1: P/Bl
No.2: P/Bu
[1]
[1]
No.1: P/Bl
No.2: P/Bu
[2]
No.1: B3
No.2: B4