Page 138 - 2019 SHOP MANUAL CRF1000/A/D

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PGM-FI SYSTEM
3. IACV Line Open Circuit Inspection
Disconnect the ECM/PCM 33P (Gray) connector
(page 4-39).
Check for continuity between the wire harness side
4P (Black) connector [1] and 33P (Gray) connector
[2]
TOOL: C5 C4
Test probe (2 required) 07ZAJ-RDJA110

Connection: Black/yellow – C4 Bl/Y Bl/O
Black/orange – C5
Black/red – C17
Black/green – C18 Bl/G C18 C17
Is there continuity?
Bl/R
YES – GO TO STEP 4.
NO – • Open circuit in the Black/yellow or [1] [2]
Black/orange wire
• Open circuit in the Black/red or Black/
green wire
4. IACV Line Short Circuit Inspection
Check for continuity between the wire harness side
4P (Black) connector [1] and ground. [1]
Connection: Black/yellow – Ground
Black/orange – Ground
Black/red – Ground Bl/Y Bl/O
Black/green – Ground
Bl/R Bl/G
Is there continuity?
YES – • Short circuit in the Black/yellow or
Black/orange wire
• Short circuit in the Black/red or Black/
green wire
NO – Replace the ECM/PCM with a known good
one (page 4-39) and recheck.

DTC 33-2 (ECM/PCM EEPROM)
1. Recheck DTC
Erase the DTC (page 4-6).
Check the DTC with the MCS.
Is the DTC 33-2 indicated?
YES – Replace the ECM/PCM with a known good
one (page 4-39) and recheck.
NO – Intermittent failure

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