Dtc 53-1 (Tcm Signal) - Honda NSA700A DN-1 2009 Service Manual

FUEL SYSTEM (PGM-FI)
D TC 53-1 (T C M S IG N A L )
• Before starting the inspection, check fo r loose or
poo r contact on the TCM 33P (Black) connector
and recheck the DTC.
1. TCM Signal Line Open C ircuit Inspection
Turn the ig n itio n switch 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 o f the w ire harness
side.
CONNECTION: B 3 0 -A 1 7
TOOL:
Test probe
A re there con tin u itie s?
YES
NO
2. TCM Signal Line S hort C ircu it Inspection
Check th e co n tin u ity between the TCM 33P
(Black) connector o f the w ire harness side and
ground.
CONNECTION: A17 - Ground
TOOL:
Test probe
Is there c o n tin u ity ?
YES
NO
3. TCM Inspection
Replace the TCM w ith a new one.
Reset the DTC (page fi-13).
Turn the ig n itio n switch ON and engine stop
sw itch " Q
Recheck the DTC.
Is th e DTC 53-1 indicated?
NO
YES
6-34
07ZAJ-RDJA110
- GO TO STEP 2.
- Open circuit in Brow n w ire.
07ZAJ-RDJA110
- S hort circ u it in Brow n w ire
- GO TO STEP 3.
- Faulty o riginal TCM.
- Replace the ECM w ith a new one, and
recheck.
TCM 33P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
(W ire side o f fem ale term inal)
TCM 33P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
Br (A17)