Yamaha Phazer Venture Lite PZ50MTA 2011 Supplementary Service Manual page 34

Fault code No. 85
Diagnostic code No. – –
Item/components and probable cause
Order
Connections
Oil pressure switch coupler
1
Oil pressure switch installation status
2
Defective oil pressure switch
3
Connections
Wire harness ECU coupler
4
Continuity of wire harness.
5
6 ECU malfunction
FUEL INJECTION SYSTEM
Symptom Oil pressure switch: open circuit detected.
Check or maintenance job
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair/replace it and con-
nect the coupler securely.
Check for looseness or pinching.
Check that the switch is installed in the specified
position.
Switch checking procedure
With the engine stopped, carry out the steps
below.
1. Connect the temperature probe tester
(Ω × 100) to the oil pressure switch coupler.
Positive tester probe → connector terminal
Negative tester probe → identification sensor
body (Metal part)
2. Check that the oil pressure switch has continu-
ity.
If it has continuity, it is normal.
3. If it does not have continuity, the switch is
defective. → Replace the oil pressure switch.
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair/replace it and con-
nect the coupler securely.
Open or short circuit →
Replace the wire harness.
Between oil pressure switch and ECU coupler.
Yellow/Green – Yellow/Green
Replace the ECU.
25
FI
Reinstatement
method
Set the main
switch to "ON"
and then check
the blinking of
the fault code.