Yamaha WaveRunner FZR-GX1800 Service Manual page 287

– +
ELEC
Control system
1 2 3 4 5 6 7 8
É
c
1
1 2
8 7 6 3 2 1
d
2
37 36 35 34
50 49
7-32
3. Check that the APS pulley stopper c con-
tacts the fully open stopper d when the
APS pulley is at the fully open position É.
4. Measure the resistance of the APS at the
fully closed position and fully open posi-
tion.
APS resistance at 20 °C (68 °F)
(reference data):
Termi-
Item
nal
closed È
APS 1 1–3
APS 2 6–7
4. Check:
• APS circuit continuity
No continuity → Replace the wiring har-
ness assembly.
Checking steps:
1. Disconnect the APS coupler 1.
2. Disconnect the ECM coupler 2.
3. Check the wiring harness for continuity.
Wiring harness continuity:
Terminal No.
Coupler 1 Coupler 2
1
2
3
6
7
8
E
APS pulley position
Fully Fully
open É
0.50– 3.75–
0.90 kΩ 4.35 kΩ
0.35– 3.60–
1.05 kΩ 4.50 kΩ
Color
34 B/R
49 O/R
36 P/R
37 P/W
35 B/W
50 O/W
1
2
3
4
5
6
7
8
9