Dtc 29-1 Iacv - Honda PCX150 2013 Service Manual

PGM-FI SYSTEM
4-30
DTC 29-1 {IACV)
• Before starting the inspection, check for loose or
poor contact on the IACV 4P (Black) connector and
recheck the OTC.
1. Recheck DTC
Clear the DTC's (page 4-12).
Start the engine and recheck the OTC.
Is the DTC 29-1 indicated?
YES
- GO TO STEP 2.
NO -
• Intermittent failure
• Loose or poor contact on the IACV 4P
(Black) connector
2. IACV Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the IACV 4P (Black) connector.
Check for continuity between the IACV 4P (Black)
connector [1] of the wire harness side and ground.
CONNECTION: Light green/red - Ground
Brown/red- Ground
Gray/red - Ground
Black/red - Ground
STANDARD: No continuity
Are there continuities?
YES - • Short circuit in the Light green/red or
Brown/red wire
Short circuit in the Gray/red or Black/
red wire
NO - GO TO STEP 3.
3. IACV Circuit Continuity Inspection
Disconnect the ECM 21 P (Black) connector.
Check the continuity between the ECM 21 P (Black)
connector [1] terminals and IACV 4P (Black)
connector [2] terminals of the wire harness side.
CONNECTION:
Light green/red -A17 (Light green/red)
Brown/red - A 10 (Brown/red)
Gray/red - A3 (Gray/red)
Black/red - A 11 (Black/red)
STANDARD: Continuity
TOOL:
Test probe, 2 pack 07ZAJ-RDJA 110
Are there continuity?
YES - GO TO STEP 4.
NO -
• Open circuit in the Light green/red or
Brown/red wire
Open circuit in the Gray/red or Black/
red wire
[2]
Light green/
red
Black/red
(A 11)
[1]
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