Honda 954 Service Manual page 196

FUEL SYSTEM (Programmed Fuel Injection)
Connect the test harness between the main wire har-
TOOL:
ECM test harness, 26P
GROUND LINE
Check for continuity between the ECM test harness
connector B1 terminal and ground, between the B14
terminal and ground, between the A26 terminal and
qround, and between the B2 terminal and qround.
There should be continuity at all times.
If there is no continuity, check for an open circuit in
the Green/Pink wire and Green wire.
POWER INPUT LINE
Turn the ignition switch to "ON" w i t h the engine stop
switch in the
Measure the voltage between the ECM test harness
connector B20 terminal
There should be battery voltage.
If there is no voltage, check for open circuit in
se nso rirela y.
If the w i r e
PAIR SOLENOID VALVE
Remove the air cleaner housing (page 5-64).
Disconnect the PAIR solenoid valve 2P (Natural) con-
nector.
Disconnect the PAIR air suction hoses.
Remove the bolt and PAIR solenoid valve.
Installation is in the reverse order of removal.
( t w o required)
position.
and ground.
(+)
is
OK, check f o r t h e bank angle
I
2P (NATURAL) CONNECTOR
PAIR CONTROL BOLT
AIR S U C i l O N HOSES