Honda 954 Service Manual page 192

FUEL SYSTEM (Proqrarnmed Fuel Iniection)
INSPECTION
Remove the ECM cover (page 5-87).
Disconnect the ECM 26P (Black) and 26P (Light gray)
connectors.
Check the connector for loose or corroded terminals.
Connect the ECM test harness between the ECM and
main wire harness.
TOOL:
ECM test harness, 26P
1. INPUT VOLTAGE INSPECTION
Turn the ignition switch t o "ON" and measure and
record the input voltage at the test harness terminals
using a digital multimeter.
CONNECTION:
B15 (+)
Standard:
If the measurement is out of specification, check the
following:
- Loose connection of the ECM multi-connector
Open circuit in wire harness
-
2. OUTPUT VOLTAGE INSPECTION WITH THROTTLE
FULLY OPEN
Turn the ignition switch t o "ON" and measure and
record the output voltage at the test harness termi-
nals.
CONNECTION:
B22
(+)
MEASURING CONDITION:
At throttle fully open
3. OUTPUT VOLTAGE INSPECTIOF
FULLY CLOSED
Turn the ignition switch t o
record the output voltage with the throttle fully
closed.
CONNECTION:
B22
(+)
MEASURING CONDITION:
At throttle fully closed
5-84
070MZ-0010100
(two required)
-
A26
-
4.5 5.5 V
-
A26
"ON"
and measure and
A26 (-)
I
ECM