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Ignition Timing: Testing and Inspection


DLC3 Is Located Inside Of The Fuse Panel:











IGNITION TIMING INSPECTION
1. WARM UP ENGINE
- Allow the engine to warm up to normal operating temperature.
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL
- Remove the fuse cover on the instrument panel.
- Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3.

Please refer to the TOYOTA hand-held tester or OBD II scan tool operator's manual for further details.

3. CONNECT TIMING LIGHT
4. INSPECT IGNITION TIMING
- Using SST, connect terminals TE1 and E1 of the DLC1.
SST 09843-18020

HINT: After engine speed is kept at 1,000 - 1,500 rpm for 5 seconds, check that it returns to idle speed.

- Using a timing light, check the ignition timing.

Ignition timing: 8 - 12 ° BTDC @ idle
(w/ Cooling fan OFF and transmission in neutral position)


- Remove the SST from the DLC1. SST 09843-18020
5. FURTHER CHECK IGNITION TIMING
- Check that the ignition timing advances.

Ignition timing: 7 - 17 ° BTDC @ idle
(w/ Cooling fan OFF and transmission In neutral position)


HINT: The timing mark moves in a range between 7 ° and 17 °.

6. DISCONNECT TIMING LIGHT
7. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL