Warm engine to normal operating temperature. Shut engine off. Connect timing light to spark plug wire on cylinder No. 1. Connect tachometer to proper terminals of data link connector No. 1, located in engine compartment. See Fig 1.
Install Jumper Wire (SST 09843-18020) between terminals TE1 and E1 of data link connector No. 1. See Fig 2.
Apply parking brake. Place transaxle in Neutral. Start engine and maintain engine at 1000-1500 RPM for 5 seconds and then ensure engine returns to idle.
NOTE: Timing marks are located on front cover.
Ensure base timing is within specification at idle with transaxle in Neutral, electric cooling fan (if equipped) off, A/C and all accessories off. See the 4-CYLINDER IGNITION TIMING table.
Remove jumper wire from data link connector No. 1. Ensure advance timing is within specification. See 4-CYLINDER IGNITION TIMING table. Remove tachometer and timing light.

4-CYLINDER IGNITION TIMING (Degrees BTDC @ Idle)

Application ⁽¹⁾

⁽²⁾ Base Timing

⁽³⁾ Advance Timing

Calif.

7-17

Except Calif.

6-18

⁽¹⁾	Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, electric cooling fan off (if equipped) and A/C and all accessories off.

⁽²⁾	With jumper wire installed between terminals TE1 and E1 on data link connector No. 1.

⁽³⁾	With jumper wire removed from DLC No. 1.

Fig 1: Connecting Tachometer Or Scan Tester

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Ignition Timing: CALIF.