Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Testing and Inspection

WARM UP ENGINE
INSPECT IGNITION TIMING





a. When using the hand-held tester or OBD II scan tool.
1 Connect the hand-held tester or OBD II scan tool to the DLC3.
2 Please refer to the hand-held tester or OBD II scan tool operator's manual for further details.
Ignition timing: 7 to 24° BTDC at idle (Transmission in neutral)
3 Disconnect the hand-held tester or OBD II scan tool from the DLC3.





b. When not using the hand-held tester or OBD II scan tool.
1 Remove the air cleaner cap sub-assembly.
2 Connect the tester probe of a timing light to the wire of the ignition coil connector for the No.1 cylinder.





3 Using SST, connect the terminals TC and CG of the DLC3.
SST 09843-18040





4 Using the timing light, check the ignition timing.
Ignition timing: 10 ± 2° BTDC at idle (Transmission in neutral)
5 Remove the SST from the DLC3.
6 Check the ignition timing.
Ignition timing: 7 to 24° BTDC at idle (Transmission in neutral)
7 Disconnect the timing light from the engine.
8 Install the air cleaner cap sub-assembly.