67C3K11 8-22
1
2
3
4
5
6
7
8
9
3. Push the engine stop button. (M model)
Turn the engine start switch to “OFF.” (E
and W model)
4. Check the oil pressure switch 1 for con-
tinuity when the engine is stopped and
when it is running. Check the oil pressure
and oil pressure switch if out of specifica-
tion.
5. Remove the oil pressure switch.
6. Connect the special service tool to the oil
pressure switch.
Oil pressure switch input voltage
(reference data):
Pink (P) – Ground
10.44–11.35 V at engine idle
speed
S67C8052
P P
10
1
Oil pressure switch continuity:
Oil pressure switch – Ground
Engine condition Continuity
Stopped Yes
Running No
Vacuum/pressure pump gauge set:
90890-06756
S67C8053
P P
10
1
Engine electric control system