Dtc 68-1 (Engine Inhibitor Signal) - Honda NSA700A DN-1 2009 Service Manual

DTC 68-1 (E N G IN E IN H IB IT O R S IG N A L )
• Before starting the inspection, check fo r loose or
poor contact on the TCM 33P (Black) connector
and recheck the DTC.
1. Engine Inhibitor Signal
Inspection
Turn the ignition sw itch OFF.
Disconnect the ECM 33P (Light gray) connector
and TCM 33P (Black) connector.
Check fo r co n tin u ity between the ECM 33P (Light
gray) connector o f the w ire harness side and
TCM 33P (Black) connector of the w ire harness
side.
CONNECTION: B 2 5 -A 1 6
TOOL:
Test probe
Is there co n tin u ity?
YES - G O TO STEP 2.
NO - Open circ u it in Brown/Black w ire.
2. Engine Inhibitor Signal
Inspection
Check the co n tin u ity between the TCM 33P
(Black) connector o f the w ire harness side and
ground.
CONNECTION: A16 - Ground
TOOL.
Test probe
Is there co n tin u ity?
YES - S hort circu it in Brown/Black w ire
NO - GO TO STEP 3.
3. TCM Inspection
Replace the TCM w ith a new one.
Reset the DTC (page 6-13).
Turn the ig n itio n sw itch ON and engine stop
switch " O "•
Recheck the DTC.
Is the DTC 68-1 indicated?
NO - Faulty o riginal TCM.
YES - Replace the ECM w ith a new one, and
recheck.
Line Open Circuit
07ZAJ-RDJA110
(W ire side of fem ale term inal)
Line Short Circuit
TCM 33P (BLACK) CONNECTOR
(W ire side of fem ale term ina l)
07ZAJ-RDJA110
FUEL SYSTEM (PGM-FI)
TCM 33P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
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