Ignition Timing: Testing and Inspection

1. WARM UP ENGINE
- Allow the engine to warm up to normal operating temperature.

2. CONNECT TOYOTA HAND-HELD TESTER OR OR OBDII SCAN TOOL
- Remove the fuse cover on the instrument panel.



- Connect the Toyota hand-held tester or OBDII scan tool to the DLC3.
- Please refer to the Toyota hand-held tester or OBDII scan tool operator's manual for further details.

3. CONNECT TIMING LIGHT TO ENGINE
4. INSPECT IGNITION TIMING



- Using a jumper wire (or SST 09843-18020) connect terminals TE1 and E1 of the DLC1.



- Using a timing light, check the ignition timing.

Ignition timing: 8° - 12° BTDC @ Idle
(Transmission in neutral position)

- Remove the jumper from the DLC1.

5. FURTHER CHECK OF IGNITION TIMING

Ignition timing: 0° - 10° BTDC @ Idle
(Transmission In neutral position)

HINT: The timing mark moves in a range between 0° and 10°.

6. DISCONNECT TIMING LIGHT FROM ENGINE
7. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL