Yamaha YZF-R1 Series Service Manual page 741

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.
4. Installed condition of atmospheric pressure sensor.
• Check for looseness or pinching.
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.
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.
At sea level
1000 m (3300 ft) above sea level
2000 m (6700 ft) above sea level
3000 m (9800 ft) above sea level
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.
Approx. 101 kPa (757.6 mmHg, 29.8 inHg), approx.
3.64 V
Approx. 90 kPa (675.1 mmHg, 26.6 inHg), approx.
3.30 V
Approx. 80 kPa (600.0 mmHg, 23.6 inHg), approx.
3.00 V
Approx. 70 kPa (525.0 mmHg, 20.7 inHg), approx.
2.70 V
9-244
P2228, P2229