Honda 2006 TRX680FA Service Manual page 136

FUEL SYSTEM IPGM·FI)
3. MAP Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Remove the jumper wire.
Turn the ignition switch ON and angine stop
switch "0".
Measure the voltage at the wire harness side ter-
minals.
Connection: Brown
(+) -
Green/red H
Is the voltage within 4.75 -5.25V?
YES - GO TO STEP 4.
NO - Open circuit in Green/red or Brown wire
MAPrrp SENSOR 5P (BLACK) CONNECTOR
(Wire side of female terminal)
07ZAJ·RDJA 110
MAPITP SENSOR 5P (BLACKl CONNECTOR
(Wire side of female terminal)
4. MAP Sensor Output Line Open Circuit Inspec-
tion
Turn the ignition switch OFF.
Disconnect the PCM 33P lGrayl connector.
Check for continuity of the light green wire
between the MAP/TP sensor 5P (Black) connec-
tor terminal and the peM 33P (Gray) connector
terminal.
TOOL:
Test probe
Connection: B25 - Light green
Is thel'e continuity?
YES - Replace the peM with a known good
one, and recheck
NO - Open circuit in light green wire
DTC 7-1 IECT SENSOR LOW
VOLTAGE)
1. EeT Sensor System Inspection
Turn the ignition switch ON and engine stop
switch "0".
Check the ECT sensor with the HDS pocket
tester.
Is about 0 V indicated?
NO _. Intermittent failure.
• Loose or poor contact on the ECT
sensor connector.
YES - GO TO STEP 2.
6-20
B25
PCM SSP (GRAY) CONNECTOR
(Wire side of female terminal)
Lg