Yamaha Phazer Venture Lite PZ50GTA 2011, Supplementary Service Manual

Page: 34 / 78

FI
25
Fault code No. 85 Symptom Oil pressure switch: open circuit detected.
Diagnostic code No. – –
Order
Item/components and probable cause Check or maintenance job Reinstatement
method
1
Connections
Oil pressure switch coupler
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. Set the main
switch to “ON”
and then check
the blinking of
the fault code.
2
Oil pressure switch installation status Check for looseness or pinching.
Check that the switch is installed in the specified
position.
3
Defective oil pressure switch 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.
4
Connections
Wire harness ECU coupler
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.
5
Continuity of wire harness. Open or short circuit
→
Replace the wire harness.
Between oil pressure switch and ECU coupler.
Yellow/Green – Yellow/Green
6 ECU malfunction Replace the ECU.
FUEL INJECTION SYSTEM