Honda Transalp XL700V Manual page 152

2. Manifold Absolute Pressure Test
Turn the ignition switch OFF.
Check for connection and installation of the MAP
sensor vacuum hose.
Is the MAP sensor vacuum hose connection cor-
rect?
YES – GO TO STEP 3.
NO – Correct the hose installation
3. MAP Sensor System Inspection
Replace the MAP sensor with a known good one
(page 5-71).
Turn the ignition switch ON and engine stop
switch " ".
Start the engine and check the MAP sensor with
the HDS at idle speed.
Is the reading changed?
YES – Faulty original MAP sensor
NO – Replace the ECM with a new one, and
recheck; for Key Registration Proce-
dures (page 21-4).
DTC 7-1 (ECT SENSOR LOW
VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the ECT sensor 3P (Gray) con-
nector and ECM 33P connectors, then recheck
the DTC.
1. ECT Sensor System Inspection
Turn the ignition switch ON and engine stop
switch " ".
Check the ECT sensor with the HDS.
Is about 0 V indicated?
NO – Intermittent failure
YES – GO TO STEP 2.
2. ECT Sensor Inspection
Turn the ignition switch OFF.
Disconnect the ECT sensor 3P (Gray) connector.
Turn the ignition switch ON and engine stop
switch " ".
Check the ECT sensor with the HDS.
Is about 0 V indicated?
NO – GO TO STEP 3.
YES – GO TO STEP 4.
FUEL SYSTEM (PGM-FI)
VACUUM HOSE
5-21