P1100
BARO Sensor Circuit
1996-2002 Toyota 4Runner 2.7L I4
Moderate SeverityPowertrain
Description
The BARO sensor circuit is reporting an abnormal signal to the ECM for atmospheric pressure measurement.
Symptoms
- CEL
- Poor fuel economy
- Rough idle
- Hesitation
Common Causes
- Faulty BARO sensor
- Open/short in circuit
- Poor connection
- Faulty ECM
Diagnostic Steps
- Read freeze frame data
- Test BARO sensor output
- Inspect wiring
- Check ECM
Repair Notes
Replace BARO sensor or repair wiring.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1100 on Other Vehicles
Common Questions
What does code P1100 mean on a 1996-2002 Toyota 4Runner?
P1100 stands for "BARO Sensor Circuit". The BARO sensor circuit is reporting an abnormal signal to the ECM for atmospheric pressure measurement.
What are the symptoms of P1100 on a Toyota 4Runner?
Common symptoms of P1100 include: CEL, Poor fuel economy, Rough idle, Hesitation.
What causes P1100 on a 1996-2002 Toyota 4Runner?
Common causes of P1100 include: Faulty BARO sensor, Open/short in circuit, Poor connection, Faulty ECM.