Er-1 No signals are received
from the ECU.
• Open or short circuit in wire harness.
• Malfunction in meter.
• Malfunction in ECU.
• Defective wire connection of the ECU coupler.
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Er-2
No signals are received
from the ECU within the
specified duration.
• Improper connection in wire harness.
• Malfunction in meter.
• Malfunction in ECU.
—