P CODE FAMILY

Powertrain code references — Page 39.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

Mazda

P1112

These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.

Intake Air Temperature Sensor Circuit Intermittent

Atmospheric Pressure Sensor Range Performance Problem

Oxygen Sensor Control Bank 1 System Too Rich

Intake Resonance Switchover Valve Circuit

Intake Air Temperature Sensor Signal Dynamic Chamber Circuit

Oxygen Sensor Heater Resistance Too High Bank 1 Sensor 1

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

Intake Air Temperature Sensor Circuit Low Input

Bank 1 Sensor 2 Resistance Too High

Coolant Temperature Sensor Plausibility

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

H02S12 Heater Circuit Low Voltage

Engine Torque Control Cut Signal Circuit High Input

Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 1

Mass Or Volume Air Flow Circuit Range Performance Problem Bank 2

ECT Signal Unstable Or Intermittent

Engine Coolant Temperature Sensor is Out of Self-Test Range

ECT Sensor Circuit Out Of Self Test Range

Engine Torque Control Cut Signal Circuit Low Input

Oxygen Sensor Heater Circuit Open Bank 1 Sensor 1

Mass Or Volume Air Flow Circuit Low Input Bank 2

Engine Coolant Temp Signal Out-Of-Range Low

Engine Coolant Temperature Sensor Intermittent

HO2S12 Heater Circuit Low Voltage

ECT Sensor Signal Intermittent

Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 2

Mass Or Volume Air Flow Circuit High Input Bank 2

Engine Coolant Temp Signal Out-Of Range High

Manifold Absolute Temperature Circuit Low Input

Oxygen Sensor Heater Circuit Open Bank 1 Sensor 2

ECT Signal Out Of Rage With TFT Sensor

Manifold Absolute Temperature Circuit High Input

ECT Signal Out Of Range With TFT Sensor

Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Short To Ground

Pedal Position Sensor Circuit

Throttle Position (TP) Sensor 1 Circuit

Throttle Position Sensor Out of Range

Accelerator Pedal Position Sensor Circuit Malfunction

Throttle Position Sensor Out Of Range Low

Secondary Throttle Position Sensor Circuit Fault

Starter Switch High Input

Accelerator Pedal Position Sensor Circuit

Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open

Pedal Position Sensor 1 Range Performance Problem

TP Sensor Circuit Intermittent High Voltage

Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

Throttle Position Lower Than Expected

Pedal Position Sensor A Circuit Range Performance

Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal

Neutral Position Switch Circuit Low Input AT Vehicles

Accelerator Pedal Position Sensor Range Performance Problem

Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground

Pedal Position Sensor 1 Low Input

TP Sensor Circuit Intermittent Low Voltage

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Throttle Position Higher Than Expected

Pedal Position Sensor A Circuit Low Input

Throttle Position Stuck Closed

Pressure Sources Switching Valve Circuit High Input

Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Open

Pedal Position Sensor 1 High Input

Throttle Position Sensor In Range But Higher Than Expected

Pedal Position Sensor A Circuit High Input

Long Term Fuel Trim Adaptive Air System Low

Throttle Position Stuck Open

Long Term Fuel Trim Add Air Bank 1 System Too Rich

Throttle Position Sensor Out of Self-Test Range

Long Term Fuel Trim Adaptive Air System High

Throttle Position Sensor Signal Out Of Self Test Range

TCS Signal Circuit High Input

Long Term Fuel Trim Add Air Bank 1 System Too Lean

Accelerator Pedal Position (APP) System

Throttle Position Sensor Intermittent

Throttle Control Motor Circuit Malfunction

Throttle Position Sensor Signal Intermittent

Tandem Throttle Position Sensor Circuit Fault

Throttle Control Motor Circuit

Long Term Fuel Trim Add Air Bank 2 System Too Rich

Magnetic Clutch Circuit Malfunction

Throttle Position Narrow Range Sensor Circuit