Honda INTERCEPTOR 2002 Service Manual page 178

FUEL SYSTEM (Programmed Fuel Injection}
5. No.1 02 Sensor Heater Power Input Line Short
Circuit Inspection
Turn the ignition switch OFF.
Disconnect the ECM 26P connectors.
Turn the ignition switch ON.
Measure the voltage at the No.1 02 sensor wire
harness side connector terminals.
Connection: Black/white
(+)
-White (-)
Does battery voltage exist?
YES - Open circuit in No.1 02 sensor White
wires.
NO - Replace the ECM with a new one, and
inspect again.
6. No.1 02 Sensor Heater Power Input Voltage
Inspection
Measure the voltage at the 02 sensor wire har-
ness side connector terminal and ground.
Connection: Black/white
(+)
-Ground (-)
Standard: Battery voltage
Does battery voltage exist?
NO - Open circuit in Black/white wire
between the No.1 02 sensor and engine
stop relay.
YES - GO TO STEP 7.
7. No.1 02 Sensor Heater Power Input Voltage
Inspection at ECM
Turn the ignition switch OFF.
Connect the No.1 02 sensor 4P (Natural) connec-
tor.
ECM 26P CONNECTORS
0 2
SENSOR 4P (NATURAL) CONNECTOR
No.1
Oz
SENSOR 4P (NATURAL) CONNECTOR
5-43