Yamaha VMAX 2009 Service Manual page 499

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Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Checking method
Probable cause of malfunction
1
Connections
• Meter assembly 2 coupler
• Wire harness ECU coupler
2
Open or short circuit in wire harness.
3
Malfunction in meter assembly 2.
4
Malfunction in ECU.
Reinstatement method
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Checking method
Probable cause of malfunction
1
Connections
• Meter assembly 2 coupler
• Wire harness ECU coupler
2
Open or short circuit in wire harness.
3
Malfunction in meter assembly 2.
ER-2
ECU internal malfunction (output signal error): no signals are
received from the ECU within the specified duration.
Able to start engine
Able to drive vehicle
• Check the coupler for any pins that may be
pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect
the coupler securely.
• Repair or replace if there is an open or short
circuit.
• Between meter assembly 2 coupler and ECU
coupler.
(yellow/blue–yellow/blue)
• Replace the meter assembly 2.
• Replace the ECU.
Turning the main switch to "ON".
ER-3
ECU internal malfunction (output signal error): data from the
ECU cannot be received correctly.
Able to start engine
Able to drive vehicle
• Check the coupler for any pins that may be
pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect
the coupler securely.
• Repair or replace if there is an open or short
circuit.
• Between meter assembly 2 coupler and ECU
coupler.
(yellow/blue–yellow/blue)
• Replace the meter assembly 2.
8-66
FUEL INJECTION SYSTEM
Check or maintenance job
Check or maintenance job

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