P0522critical severityPowertrain
Engine Oil Pressure Sensor/Switch Low Input
on 1997 Toyota 4Runner 2.7L I4 · 4WD
What this code means
Low voltage from oil pressure sensor.
Symptoms
- Low oil pressure reading
- Warning light on
Common causes
- Low actual oil pressure (DANGER)
- Short to ground in circuit
- Faulty sensor
Diagnostic steps
- IMMEDIATELY check oil level
- Test actual pressure with mechanical gauge
- Test circuit voltage
- Test sensor
Repair notes
If actual oil pressure is low, STOP ENGINE. If sensor fault, replace sensor.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1