Exiting Diagnostic Mode
To exit diagnostic mode with Super Monitor Display, turn off ignition or push any button (except "SET") of Super Monitor Display to display time.
For diagnostic mode without Super Monitor Display, remove jumper wire from engine check connector. Turn ignition off. After cancellation, perform a road test to confirm that a normal code is now displayed.
TROUBLE CODE IDENTIFICATION
| Code No. |
Circuit Affected |
| 1 |
System Normal |
| 2 |
Airflow Meter Signal |
| 3 |
Ignition Signal |
| 4 |
Coolant Temp. Sensor Signal |
| 5 |
Oxygen Sensor Signal |
| 6 |
RPM Signal |
| 7 |
Throttle Position Sensor Signal |
| 8 |
Intake Air Temp. Sensor Signal |
| 10 |
Starter Signal |
| 11 |
Switch Signal |
| 12 |
Knock Sensor Signal |
| 13 |
Knock Sensor Control (ECU) |
| 14 |
Turbocharger Pressure |
PICKUP & 4RUNNER TROUBLE CODES & PROBABLE CAUSE
| Code No. |
Probable Cause |
| 1 |
System Normal |
| 2 |
Airflow Meter or Circuit, ECU |
| 3 |
Ignitor or Circuit, ECU |
| 4 |
Coolant Temp. Sensor or Circuit, ECU |
| 5 |
Oxygen Sensor or Circuit, ECU |
| 6 |
Ignitor or Circuit, Distributor, Starter Signal Circuit, ECU |
| 7 |
Throttle Position Sensor or Circuit, ECU |
| 8 |
Intake Air Temp. Sensor or Circuit, ECU |
| 10 |
Starter Relay or Circuit, Ignition Switch or Circuit, ECU |
| 11 |
A/C Switch, Neutral/Start Switch, Idle Switch, ECU |
| 12 |
Knock Sensor or Circuit, ECU |
| 13 |
ECU |
| 14 |
Turbocharger, Airflow Meter, ECU |
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002