Ignition Timing Inspection - Acura 3.5 RL Manual

Ignition System

Ignition Timing Inspection

SRS components are located in this area. Review the SRS
component locations, precautions, and procedures in the
SRS (section 24) before performing repairs or service.
1. Start the engine. Hold the engine at 3,000 rpm with
no load (shift lever in
radiator fan comes on, then let it idle.
2. Pull out the service check connector located under
the glove box. Connect the GRN/BLK and RED wire
terminals with the special tool.
SERVICE CHECK CONNECTOR (2P)
NOTE: Located under the glove box
SCS SERVICE CONNECTOR
(07PAZ-0010100)
3. Check the idle speed (see page 4-19).
4. Remove the engine cover (see
5. Connect a timing light to the No. 1 ignition coil wires;
while the engine idles, point the timing light toward
the pointer on the timing belt cover.
No. 1 IGNITION
COIL WIRES
CRANKSHAFT PULLEY
or position) until the
section 5).
TIMING LIGHT
6. Inspect ignition timing at idle speed.
Ignition Timing:
15 ± 2° BTDC (RED) at 650 ± 50 rpm with shift lever
in or position and electrical systems turned
off.
WHITE MARK
CRANKSHAFT PULLEY
7. If the ignition timing is incorrect, replace the PCM
(there is no way to adjust ignition timing).
8. Disconnect the special tool from the service check
connector (2P).
POINTER
RED MARK