Honda BF135A Manual page 222

-3. Check for the continuity between the No. 1 (Brown) ter-
minal of the water separator water level sensor har-
ness side connector and the test harness A-19 termi-
nal.
WATER LEVEL SEN-
SOR HARNESS SIDE
2P CONNECTOR
VIEWED FROM THE TERMINAL SIDE
Is there the continuity?
YES – Perform "8. EOP switch (low pressure side)
line check".
NO – Repair open in the main harness between the
water level sensor and the ECM.
8. EOP switch (low pressure side) line check
-1. Disconnect the low pressure side EOP switch wire.
-2. Check for the continuity between the test harness B-14
terminal and the engine ground.
Is there the continuity?
YES – Repair short in the main harness between the
low pressure side EOP switch and the ECM.
NO – Go to the step 3.
-3. Check for the continuity between the test harness B-14
terminal and the EOP switch harness side (Pink) ter-
minal.
Is there the continuity?
YES – Perform "9. EOP switch (high pressure side)
line check".
NO – Repair open in the main harness between the
low pressure side EOP switch and the ECM.
5-69
B-14
EOP SWITCH HARNESS
SIDE TERMINAL
B-14
PINK
9. EOP switch (high pressure side) line check
-1. Disconnect the high pressure side EOP switch 2P con-
nector.
-2. Check for the continuity between the test harness A-17
terminal and the engine ground.
Is there the continuity?
YES – Repair short in the main harness between the
high pressure side EOP switch and the ECM.
NO – Go to the step 3.
-3. Check for the continuity between the test harness A-17
terminal and the No. 1 (Yellow/Red) terminal of the
EOP switch harness side 2P connector.
EOP SWITCH
(HIGH PRESSURE SIDE)
HARNESS SIDE
2P CONNECTOR
OPSH
(YELLOW/RED)
VIEWED FROM THE
TERMINAL SIDE
Is there the continuity?
YES – Connect each connector and recheck.
there is any abnormality, substitute a known-
good ECM and recheck.
NO – Repair open in the main harness between the
high pressure side EOP switch and the ECM.
BF135A•BF150A
A-17
A-17
If