Dtc 1- (Map Sensor High Voltage) - Honda SXS700M4 Service Manual

5. MAP Sensor Inspection
Replace the sensor unit (MAP sensor) with a known
good one (page 4-25).
Erase the
Dre
(page 4-6).
Turn the ignition switch to ON (I),
Check the MAP sensor with the
MeS .
Is DTe
1-1
indicated?
YES - Replace the PCM with a known good one
and recheck.
NO - Faulty original sensor unit (MAP sensor)
DTC 1-2 (MAP SENSOR HIGH
VOLTAGE)
Before starting the troubleshooting, check the
sensor unit
5P
connector for loose or poor contacts,
and recheck the OTG.
1. MAP Sensor System Inspection 1
Turn the ignition switch to ON (I).
Check the MAP sensor wit h the
MeS.
Is
about
5
V indicated?
YES - GO TO STEP 2.
NO Intermittent failure
• Loose or poor contact on the sensor
unit
5P
connector
2. MAP Sensor System Inspection 2
Turn the ignition switch to OFF (0).
Disconnect the sensor unit5P connector [1]
(page 4-25).
Connect the wire harness side 5P connector
terminals with a jumper wire (2J .
Connection : Light green/yellow - Green/red
Turn the ignition switch to ON (I).
Check the MAP sensor with the MCS.
Is about 0 V indicated?
YES - Faulty sensor unit (MAP sensor)
NO - GO TO STEP 3.
3. MAP Sensor Input Voltage Inspection
Turn the ignition switch to OFF (0 ).
Remove the jumper wire.
Tum the ignition switch to ON (I).
Measure the voltage between the wire harness side
5P connector [1] terminals.
Connection : Brownfwhite (+) - Greenfred
H
/s
the voltage within
4.75 - 5.25
V?
YES - GO TO STEP 4.
NO - Open circuit in the Green/red Wife
PGM-FI SYSTEM
Green/red Light green/yellow
(21
111
Brown/White
Green/red
L
4-11