Trouble Code Identification Charts

LAND CRUISER CODE IDENTIFICATION

Code No.

System Affected

Probable Cause

12 & 13

RPM Signal

Distributor Or Ckt, Starter Ckt, ECU

Ignition Signal

Ignitor And Ignition Coil Or Ckt To ECU, ECU

Oxygen Sens (No. 1) Signal

Oxygen Sens Or Ckt, Oxygen Sens Heater, ECU

Coolant Temp Sens Signal

Coolant Temp Sens Or Ckt, ECU

24 ⁽¹⁾

Intake Air Temp Sens Signal

Intake Air Temp Sens Or Ckt, ECU

Lean Air/Fuel Mixture

Loose Ground, Injector Or Ckt, Oxygen Sens Or Ckt, Fuel Pressure, Ignition Sys, Coolant Temp Sens, Airflow Meter, ECU

Rich Air/Fuel Mixture

Loose Ground, Injector Or Ckt, Oxygen Sens Or Ckt, Fuel Pressure, Cold Start Injector Or Ckt, Coolant Temp Sens, Airflow Meter, Compression Pressure, ECU

Oxygen Sens (No. 2) Signal

Oxygen Sens Or Ckt, Oxygen Sens Heater, ECU

31 & 32

Airflow Meter Signal

Airflow Meter Or Ckt, ECU

High Altitude Compensator Signal

ECU

Throttle Position Sens Signal

Throttle Position Sens Or Ckt, ECU

Vehicle Speed Sens Signal

Vehicle Speed Sens Or Ckt, ECU

Starter Signal

Starter Signal Ckt, Ignition Switch Or Ckt, ECU

Switch Condition Signal

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

71 ⁽²⁾

EGR Sys Malfunction

EGR Sys, EGR Temp Sens Or Ckt, EGR-VSV, ECU

⁽¹⁾	CHECK ENGINE light comes on only for Calif. models.

⁽²⁾	Used only on Calif. models.