TOHATSU 200 Series Service Manual page 101

dummyhead dummyhead
2. EMT sensor 2 signal /GND line open circuit
inspection
Turn the combination switch OFF and disconnect
the EMT sensor 2 2P connector
Turn the combination switch ON.
Measure the voltage between the EMT sensor 2 2P
connector
terminal and No.2 (Green) terminal.
Is the measurement within 4.75 – 5.25 V?
YES
NO
MIL BLINKS 26 TIMES (2 LONG
BLINKS AND 6 SHORT BLINKS) EOP
SWITCH (HIGH PRESSURE SIDE)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the EOP switch (High pressure side) 2P
connector
wire 6P connector
and then reconnect them.
Reset the ECM (page 5-2).
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 26 times?
YES
NO
2. EOP switch (High pressure side) line open
circuit inspection
Turn the combination switch OFF and disconnect
the EOP switch (High pressure side) 2P connector
Turn the combination switch ON.
Measure the voltage between the EOP switch (High
pressure side) 2P connector
harness side No.1 (Yellow/Red) terminal and No.2
(Green/Red) terminal.
Does battery voltage exit?
YES
NO
main wire harness side No.1 (Red)
– Replace the EMT sensor 2 with a new one
and recheck.
– Repair open in the Red or Green wire
harness between the ECM and EMT
sensor 2. If the main wire harness is
correct, replace the ECM with a new one
and recheck.
, ECM connector B
, joint connector 1
– GO TO STEP 2.
– Temporary failure (code
reappear).
.
– Replace the EOP switch (High pressure
side) with a new one and recheck.
– Repair open in the main wire harness
between the ECM and EOP switch (High
pressure side). If main wire harness is
correct, replace the ECM with a new one
and recheck.
.
EMT SENSOR 2 2P CONNECTOR
MAIN WIRE HARNESS SIDE
SG2
(Green)
, switch
does not
EOP SWITCH (High pressure side)
2P CONNECTOR MAIN WIRE HARNESS SIDE
main wire
FUEL SYSTEM
TOH2
(Red)
OPSH
(Yellow/Red)
SG2
(Green/Red)
5-45