Trouble Code Identification Charts

CAMRY CODE IDENTIFICATION

Code No.

System Affected

Probable Cause

12 & 13

RPM Signal

Distributor Or Ckt, Starter Ckt, ECU

Ignition Signal

Ignitor Or Ckt To ECU, ECU

Electronic Controlled Transaxle Signal

Transaxle ECU Or Ckt

21 (2.2L)

Main O2 Sensor Signal

O2 Sensor Or Ckt, ECU

21 (3.0L)

Main O2 Sensor Signal

O2 Sensor Or Ckt, ⁽¹⁾ O2 Sensor Heater, ECU

Coolant Temp. Sensor Signal

Coolant Temp. Sensor Or Ckt, ECU

24 ⁽²⁾

IAT Sensor Signal

Intake Air Temp. Sensor Or Ckt, ECU

Lean Air/Fuel Mixture

Loose Ground, Injector Or Ckt, O2 Sensor Or Ckt, Fuel Pressure, Ignition Sys, Coolant Temp Sens, ⁽³⁾ Airflow Meter/Vacuum Sens, ECU

26 ⁽⁴⁾

Rich Air/Fuel

Loose Ground, Injector Or Ckt, Mixture O2 Sensor Or Ckt, Fuel Pressure, Cold Start Injector Or Ckt, Coolant Temp Sens, ⁽³⁾ Airflow Meter/Vacuum Sens, Compression Pressure, ECU

27 (2.2L) ⁽⁴⁾

Sub-O2 Sensor Signal

Sub-O2 Sensor Or Ckt, ECU

27 (3.0L) ⁽⁴⁾

Sub-O2 Sensor Signal

Sub-O2 Sensor Or Ckt, ECU

28 ⁽¹⁾

Main O2 Sensor Signal

O2 Sensor Or Ckt, ⁽¹⁾ O2 Sensor Heater, ECU

31 (2.2L)

Vacuum Sensor Signal ⁽³⁾

Vacuum Sensor Or Ckt, ECU

31 & 32 (3.0L) ⁽¹⁾

Airflow Meter Signal ⁽³⁾

Airflow Meter Or Ckt, ECU

41 ⁽²⁾

Throttle Position Sensor Signal

Throttle Position Sensor Or Ckt, ECU

42 ⁽⁵⁾

Vehicle Speed Sensor Signal

Vehicle Speed Sensor Or Ckt, ECU

43 ⁽⁵⁾

Starter Signal

Starter Signal Ckt, Main Relay, Ignition Switch Or Ckt, ECU

51 ⁽⁵⁾

Switch Condition Signal

A/C Switch Ckt, Neutral/Start Switch Or Circuit, TPS Or Ckt, ECU

52 & 55 ⁽¹⁾

Knock Sensor Signal

Knock Sensor Or Ckt, ECU

Knock Sensor Control (ECU)

ECU

71 ⁽⁴⁾

EGR Sys Malfunction

EGR System, EGR Temp Sensor Or Ckt, EGR-BVSV, ECU

⁽¹⁾	Used only on V6 models.

⁽²⁾	CHECK ENGINE light comes on only for Calif. models.

⁽³⁾	Airflow meter used on 3S-GTE. Vacuum sensor used on 5S-FE.

⁽⁴⁾	Used only on Calif. models.

⁽⁵⁾	CHECK ENGINE light will not come on when code is set.