Honda SH300 2006 Manual page 127

4. MAP Sensor Output Line Short Circuit Inspec-
tion
Turn the ignition switch "OFF".
Disconnect the ECM 33P connector.
Check for continuity between the 33P connector
of the wire harness side and ground with sensor
unit connector disconnected.
CONNECTION: No. 27 (Y ellow/Orange) – Ground
STANDARD: No continuity
TOOL:
Test probe
Is there continuity?
YES – Short circuit in the Yellow/Orange wire
NO – GO TO STEP 5.
5. MAP Sensor Inspection
Replace the sensor unit with a known good one
and clear the DTC.
Reset the ECM (page 6-12).
Turn the ignition switch "ON" and engine stop
switch " ".
Check the MAP sensor with the HDS pocket
tester.
Is about 0 V indicated?
YES – Faulty ECM. Replace it with new one
and recheck; refer to Key Registration
Procedures (page 23-4)
NO – Faulty original sensor unit (Faulty origi-
nal MAP sensor)
DTC 1-2 (MAP SENSOR HIGH VOLT-
AGE)
• Before starting the inspection, check for loose or
poor contact on the sensor unit 5P (Black) con-
nector and recheck the DTC.
1. MAP Sensor System Inspection
Turn the ignition switch "ON" and engine stop
switch " ".
Check the MAP sensor with the HDS pocket
tester.
Is about 5 V indicated?
YES – GO TO STEP 2.
NO – • Intermittent failure
• Loose or poor contact on the sensor
unit connector
07ZAJ-RDJA110
FUEL SYSTEM (PGM-FI)
33P CONNECTOR
(Wire side of female terminal)
Y/O
6-17