Info

Faulty ECU memory. When this malfunction is detected, the code number might not appear on the meter.

• Malfunction in ECU. (The program and data are not properly written on or read from the internal memory.)

Er-1

No signals are received from the ECU.

• Open or short circuit in wiring sub lead.

• Malfunction in meter.

• Malfunction in ECU.

Er-2

No signals are received from the ECU within the specified duration.

• Improper connection in wiring sub lead.

• Malfunction in meter.

• Malfunction in ECU.

Er-3

Data from the ECU cannot be received correctly.

• Improper connection in wiring sub lead.

• Malfunction in meter.

• Malfunction in ECU.

Er-4

Non-registered data has been received from the meter.

• Improper connection in wiring sub lead.

• Malfunction in meter.

• Malfunction in ECU.

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