Yamaha MX775 - Page 131

5-20
1
2
3
4
5
6
7
8
9
10
ELECTRICAL
FUEL INJECTION SYSTEM
Error Code No. P0336, P0337
Error Code P0336
System or Component Crankshaft Position Sensor (CPS)
Detail of Error CPS Sensor Noisy Signal
Engine Symptoms
• Poor engine start (There is possibility it can’t start)
• Poor driveability
• Deteriorated exhaust
• Unstable engine idling
Engine Running availability Depends on the case
DIAG Tool Code —
Diagnosing
Crankshaft position sensor resistance
3.0–7.0 k
Probable Cause
• Malfunction in wire harness and coupler between sensor and ECU
• Malfunction in sensor installing (loose sensor, dirty sensor, air gap)
• Malfunction in sensor unit
• Malfunction in ECU
• Malfunction in rotor (damaged, deformed)
Error Code P0337
System or Component Crankshaft Position Sensor (CPS)
Detail of Error CPS Sensor No Signal
Engine Symptoms
• Poor engine start (There is possibility it can’t start)
• Poor driveability
• Deteriorated exhaust
• Unstable engine idling
Engine Running availability Depends on the case
DIAG Tool Code —
Diagnosing
Crankshaft position sensor resistance
3.0–7.0 k
Probable Cause
• Malfunction in wire harness and coupler between sensor and ECU
• Shorted or open in wire harness between sensor and ECU
• Malfunction in sensor installing (loose sensor, dirty sensor, air gap)
• Malfunction in sensor unit
• Malfunction in ECU
• Malfunction in rotor (damaged, deformed)