Honda INTERCEPTOR 2002 Service Manual page 151

FUEL SYSTEM (Programmed Fuel Injection)
5-16
Disconnect the ECM connectors.
Connect the test harness to ECM connectors.
Turn the ignition switch ON.
Measure the voltage at the test harness termi-
nals.
Connection: A4 (+}- B16 (-}
Standard: 2.7 - 3.1 V
Is the voltage within 2.7 - 3.1 V?
YES - Replace the ECM with a new one, and
inspect it again.
NO - Faulty MAP sensor.
PGM-FI MIL 2 BLINKS (MAP SENSOR}
1. MANIFOLD ABSOLUTE PRESSURE TEST
Turn the ignition switch OFF.
Disconnect t he MAP sensor 3P connector.
Connect the vacuum gauge between the throttle
body and the MAP sensor using a 3-way joint.
Start the engine and measure the manifold abso-
lute pressure at idle speed.
Standard: 150-250 mm Hg
Is the manifold absolute pressure within 150 -
250mmHg?
NO - Check the hose connection.
YES - GO TO STEP 2.
2. MAP Sensor Signal Inspection
Disconnect the vacuum gauge and connect the
hose to the MAP sensor.
ECM
VACUUM GAUGE
~~
VACUUM HOSE