Honda NSA700A DN-1 2009, Service Manual

Page: 145 / 654

FUEL SYSTEM (PGM-FI)
D TC 8-1 (TP S E N S O R L O W V O L T A G E )
• Before starting the inspection, check fo r loose or
poor contact on the TP sensor 3P (Black) connec­
to r and recheck the DTC.
1. TP Sensor S ystem Inspection
Turn the ig n itio n sw itch ON and engine stop
switcn " Q
Check the TP sensor w ith the HDS pocket tester
w hen the th ro ttle fu lly closed.
Is a b o u t 0 V in d ic a te d ?
YES - • In te rm itte n t failure
• Loose o r poor contact on the TP sen­
sor connector
NO - GO TO STEP 2.
2. TP Sensor In p u t V o lta g e Inspection
T urn :he ig n itio n sw itch OFF.
Remove the air cleaner housing (page 6-50).
Disconnect the TP sensor 3P (Black) connector.
Turn the ig n itio n sw itch ON and engine stop
switch " Q
Measure the voltage at the w ire harness side.
C onnection: Y ellow /red (+) - G reen/orange (-)
Is th e vo lta g e w ith in 4.75
-
5.25 V ?
Y E S -
GO TO STEP 4.
NO - GO TO STEP 3.
TP SENSOR 3P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
© k v p ©
3. TP Sensor C ircu it Inspection
Disconnect the ECM 33P connectors.
Check fo r c o n tin u ity at the Y ellow /red w ire
between the TP sensor 3P (Black) connector te r­
m inal and the ECM 33P (Black) connector.
Connection: A9 - Y ellow /red
TOOL:
T e st p ro b e 0 7 Z A J -R D J A 1 1 0
Is there c o n tin u ity ?
YES - Replace the ECM w ith a known good
one, and recheck
NO - Open circu it in Y ellow /red w ire
4. TP Sensor O u tp u t Line Open C ircuit Inspection
Check fo r c o n tin u ity at the Red/yellow w ire
between the TP sensor 3P (Black) connector te r­
m inal and the ECM 33P (Light gray) connector.
Connection: B31 - R e d /ye llo w
TOOL
Test probe 07ZAJ-RDJA110
Is there c o n tin u ity ?
YES - GO TO STEP 5.
NO - Open circu it in R ed/yellow w ire
ECM 33P (LIGHT GRAY) CONNECTOR
(W ire side o f fem ale term inal)
B31
L
r
/
y
— ( § )
TP SENSOR 3P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
ECM 33P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
— Y/R
A9
I
I
I]
TP SENSOR 3P (BLACK) CONNECTOR
(W ire side o f fem ale term inal)
6-20