Code No. P1589: Air Flow Sensor Supply Voltage Low
TROUBLE JUDGMENT
- Supply voltage too low
FAIL SAFE FUNCTION
- After detection and recovery action, engine performances
are correct, but the noise at idling is greater.
- The fuel consumption increases a little.
PROBABLE CAUSE
- Failed electrical harness in power supply circuit (Refer
to Symptom Procedure - Engin-ECU, Power Supply, Engine Control Relay, Ignition Switch-IG1
)