Ignition Timing Control (page 3 of 3)

CAUTION:

• All SRS electrical wiring harnesses are covered with yellow outer insulation.
• Replace the entire affected SRS harness assembly if it has an open circuit or damaged wiring.
• Before disconnecting the SRS wiring harness, turn the ignition switch off, disconnect the negative and positive battery cables, and wait at least three minutes, see SUPPLEMENTARY RESTRAINT SYSTEM.

1. Start the engine and allow it to warm up (radiator fan comes on).

A     Inspection window
B     Timing light

4. Connect a timing light to the No. 1 ignition wire and remove the rubber plug from the inspection window in the flywheel or drive plate housing.
5. While the engine idles, point the light toward the pointer on the flywheel (M/T) or on the drive plate (A/T).

A     Service check connector (2 – P)
B     Jumper wire

2. Pull out the service check connector located under the middle of the dash. Connect the GRN/WHT and ORN/RED terminals with a jumper wire.
3. Check the idle speed.

A     White mark (TDC)
B     Pointer
C     Drive plate
D     Red mark