Trouble Code Charts

TERCEL TROUBLE CODE IDENTIFICATION

Code No.

System Affected

Probable Cause

No Code

System Normal

ECU (B+)

Ign. Switch, Main Relay or Circuit

12 & 13 ⁽¹⁾

RPM Signal

Dist./Circuit, ECU, ⁽²⁾ Ign. Coil/Circuit, Starter Signal Circuit, Igniter/Circuit

14 ⁽¹⁾

Ignition Signal

Igniter/Circuit, Ign. Coil/Circuit, ECU

O2 Sensor & O2 Heater Signal

O2 Sensor/Circuit, O2 Sensor Heater/Circuit, ECU

22 ⁽³⁾

Temp. Sensor/Switch Signal

Coolant Temp. Sensor/Circuit, Coolant Temp. Switch/Circuit, ECU

24 ⁽¹⁾

Intake Air Temp. Sensor Signal

Intake Air Temperature Sensor/Circuit, ECU

Lean Air/Fuel Mixture

Injector/Circuit, O2 Sensor/Circuit, ECU, ⁽³⁾ Elec. Air Bleed Control Valve (EBCV), Fuel Line Press., Air Leak, Airflow Meter, Ignition System

Rich Air/Fuel Mixture

Injector/Circuit, O2 Sensor/Circuit, Fuel Line Press., Airflow Meter, ⁽¹⁾ Vacuum Sensor, ⁽³⁾ Elec. Air Bleed Control Valve (EBCV), Cold Start Injector, ECU

31 ⁽⁴⁾

Airflow Meter/Vac. Sensor Signal

Airflow Meter/Circuit, ECU, Vacuum Sensor/Circuit, Vacuum Switch/Circuit

41 ⁽⁵⁾

Throttle Position Sensor Signal

Throttle Position Sensor/Circuit, ECU

42 ⁽¹⁾

Vehicle Speed Sensor Signal

Vehicle Speed Sensor/ Circuit, ECU

43 ⁽¹⁾

Starter Signal

Ignition Switch/Circuit, ECU, Starter Signal Circuit

51 ⁽¹⁾

Switch Signal

A/C Switch/Circuit, A/C Amplifier, Throttle Position Sensor/Circuit, ECU

EGR System Malfunction

EGR System (Valve, Hoses, Temp. Sensors, Vacuum Switching Valves), ECU

72 ⁽²⁾

Fuel Cut Solenoid Signal

Fuel Cut Solenoid/Circuit, ECU

⁽¹⁾	Not used on Tercel 3E.

⁽²⁾	Tercel 3E only.

⁽³⁾	Two coolant temperature switches used on Tercel 3E.

⁽⁴⁾	Tercel 3E uses a vacuum sensor.

⁽⁵⁾	Throttle Position Switch used on Tercel 3E models.