Suzuki GSX-R1000 2007 Service Manual page 216

Step 3
1) Remove the AP sensor.
2) Connect the vacuum pump gauge to the vacuum port of the
AP sensor.
Arrange 3 new 1.5 V batteries in series
voltage is 4.5 – 5.0 V) and connect
terminal and terminal to the VCC terminal
3) Check the voltage between Vout
if voltage reduces when vacuum is applied up to 53 kPa (400
mmHg) by using vacuum pump gauge. ( Below)
\ 09917-47011: Vacuum pump gauge
09900-25008: Multi-circuit tester set
W Tester knob indication: Voltage ()
Is the voltage OK?
• R, G/Y or B/Br wire open or shorted to ground,
or poor
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
YES
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
If check result is not satisfactory, replace AP sen-
NO
sor with a new one.
4) After repairing the trouble, clear the DTC using SDS tool.
( 4-28)
Output voltage (VCC voltage 4.5 – 5.0 V, ambient temp. 20 –
30 °C, 68 – 86 °F)
ALTITUDE
(Reference)
(ft) (m)
0 0
2 000 610
2 001 611
5 000 1 524
5 001 1 524
8 000 2 438
8 001 2 439
10 000 3 048
terminal to the ground
and ground. Also, check
, or connection.
ATMOSPHERIC
PRESSURE
(mmHg) kPa
760 100
707 94
707 94
634 85
634 85
567 76
567 76
526 70
3
(check that total
.
3
OUTPUT
VOLTAGE
(V)
3.1 – 3.6
2.8 – 3.4
2.6 – 3.1
2.4 – 2.9
FI SYSTEM DIAGNOSIS 4-61
V
ECM coupler (Harness side)
(Black) (Gray)