FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

With Manufacturer's Scan Tool

DIAGNOSIS INSPECTION (CHECK MODE)
For Toyota Hand-Held Tester ONLY


NOTICE:
- When the diagnosis system is switched from normal mode to check mode, it erases all DTC and freeze frame data recorded in normal mode. So before switching modes, always check the DTC and freeze frame data, and note them down.

DTC CHECK
1. Initial conditions.
- Battery positive voltage 11 V or more.
- Throttle valve fully closed.
- Transmission in park or neutral position.
- Air conditioning switched OFF.

2. Turn ignition switch OFF.
3. Prepare the Toyota hand-held tester.



4. Connect the Toyota hand-held tester to DLC3 in the fuse box at the lower left of the instrument panel.

5. Turn the ignition switch ON and push the Toyota hand-held tester main switch ON.

6. Switch the Toyota hand-held tester from Normal mode to Check mode.



- Check that the MIL flashes.

7. Start the engine.
- The MIL should go out after the engine starts.

8. Simulate the conditions of the malfunction described by the customer.

NOTICE: Leave the ignition switch ON until you have checked the DTC, etc. Turning the ignition switch OFF switches the diagnosis system from check mode to normal mode, so all diagnostic codes, etc. are erased.

9. After simulating the malfunction conditions, use the Toyota hand-held tester diagnosis selector to check the DTC and freeze frame data, etc.

10. After checking the diagnostic trouble codes, refer to the applicable Diagnostic Chart and inspect the circuit.