Trouble Code Charts - EFI Models

PICKUP, 4RUNNER TROUBLE CODE IDENTIFICATION

Code No.

System Affected

Probable Cause

No Code

System Normal

11 ⁽¹⁾

ECU (B+)

Ignition Switch, Main Relay Or Circuit, ECU

RPM Signal

Distributor Or Circuit, Starter

RPM Signal

Distributor, Ignitor Or Circuit, ECU

Ignition Signal

Ignition Coil, Ignitor Or Circuit, ECU

O2 Sensor Or O2 Heater Signal

O2 Sensor, O2 Heater Signal Or Circuit, ECU

Coolant Temperature. Sensor Signal

Coolant Temperature Sensor Or Circuit, ECU

Intake Air Temperature Sensor Signal

Intake Air Temperature Sensor Or Circuit, ECU

Lean Air/Fuel Mixture

Injector Or Circuit, O2 Sensor, O2 Sensor Circuit, Fuel Line Pressure, Airflow Meter, ECU, Air Intake System, Ignition System

Rich Air/Fuel Mixture

Injector Or Circuit, Fuel Pressure, Cold Start Injector, Airflow Meter, O2 Sensor Or Circuit, ECU

Airflow Meter Signal

Airflow Meter Or Circuit, ECU

32 ⁽¹⁾

Airflow Meter Signal

Airflow Meter Or Circuit, ECU

35 ⁽²⁾

HAC Sensor Signal

HAC Sensor Or Circuit, ECU

TPS Signal

TPS Or Circuit, ECU

Vehicle Speed Sensor Signal

Speed Sensor Or Circuit, ECU

Starter Signal

Ignition Switch Or Circuit, Starter Signal Circuit, ECU

Switch Signal

Accelerator Pedal Or Cable, A/C Switch Circuit, A/C Amplifier, ECU, Neutral/Start Switch Or Circuit, TPS Sensor Or Circuit

Knock Sensor Signal

Knock Sensor Or Circuit, ECU

Knock Sensor Control (ECU)

ECU

71 ⁽³⁾

EGR System Malfunction

EGR System, EGR Temp. Sensor, Sensor Circuit, EGR BVSV Or VSV, BVSV Or VSV Circuit, ECU

⁽¹⁾	Only applicable to Pickup and 4Runner (3VZ-E).

⁽²⁾	Only applicable to Pickup (3VZ-E) cab and chassis models.

⁽³⁾	Only applicable to California models.