Yamaha YZF-R1, Service Manual

Page: 741 / 808

P2228, P2229
9-244
4. Installed condition of atmospheric pressure sensor.
• Check for looseness or pinching.
5. Defective atmospheric pressure sensor.
• Execute the diagnostic mode. (Code D02)
• When engine is stopped: Atmospheric pressure at the current altitude and weather conditions is in-
dicated.
Is resistance
∞ Ω
?
YES
→
Go to step 4.
NO
a. Replace the wire harness.
b. Turn the main switch to “ON”, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition ?
YES
→
Go to step 7, and complete the service.
NO
→
Go to step 4.
Is check result OK ?
YES
→
Go to step 5.
NO
a. Reinstall the sensor.
b. Turn the main switch to “ON”, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition ?
YES
→
Go to step 7, and complete the service.
NO
→
Go to step 5.
At sea level
Approx. 101 kPa (757.6 mmHg, 29.8 inHg), approx.
3.64 V
1000 m (3300 ft) above sea level
Approx. 90 kPa (675.1 mmHg, 26.6 inHg), approx.
3.30 V
2000 m (6700 ft) above sea level
Approx. 80 kPa (600.0 mmHg, 23.6 inHg), approx.
3.00 V
3000 m (9800 ft) above sea level
Approx. 70 kPa (525.0 mmHg, 20.7 inHg), approx.
2.70 V
Is check result OK ?
YES
→
Go to step 6.
NO
a. Replace the atmospheric pressure sensor.
Refer to “AIR INDUCTION SYSTEM” on page 7-20.
b. Turn the main switch to “ON”, and then check the condition of the DTC using the malfunction mode
of the YDT.