Yamaha FZ6-SS Service Manual page 350

Fault code No. 13
Used diagnostic code No. 03 (intake air pressure sensor)
Order Inspection operation item and probable
cause
1 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
NOTE:
When installing or removing the con-
nector, main switch turn to "OFF".
2 Open or short circuit in wiring harness
and / or sub lead.
3 Defective intake air pressure sensor
FUEL INJECTION SYSTEM
Symptom Intake air pressure sensor - open or short circuit detected.
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Intake air pressure sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
Black / Blue - Black / Blue
Pink / White - Pink / White
Blue - Blue
Execute the diagnostic mode (code No. 03)
Replace if defective.
1. Connect the pocket tester (DC 20 V) to the
intake air pressure sensor coupler terminal as
shown.
Tester positive probe ! pink / white
Tester negative probe ! black / blue
2. Set the main switch to "ON".
3. Measure the intake air pressure sensor output
voltage.
4. Is the intake air pressure sensor OK?
7-14
2
1
Intake air pressure sensor output
voltage
3.75 X 4.25 V
FI
Reinstatement
method
Reinstated by
turning the
main switch
ON.
1
2