1. Ignition switch
2. Main relay
3. Ignition coil assembly
for No.1 and No.4
spark plugs
4. Ignition coil assembly
for No.2 and No.3
spark plugs
5. CMP sensor
6. CKP sensor
7. No.1 spark plug
8. No.2 spark plug
9. No.3 spark plug
10. No.4 spark plug
11. Sensed information
D MAP sensor
D ECT sensor
D IAT sensor
D TP sensor
D VSS
D Park / Neutral position signal
(A / T)
D Electric load signal
D Engine start signal
IGNITION SYSTEM (SFI FOR G13) 6F1-3
SYSTEM WIRING DIAGRAM
DIAGNOSIS
Condition Possible Cause Correction
Engine cranks, but will
not start or hard to
start
No spark
D Blown fuse for ignition coil
D Loose connection or disconnection of lead
wire or high-tension cord(s)
D Faulty high-tension cord(s)
D Faulty spark plug(s)
D Faulty ignition coil
D Faulty CKP sensor or crankshaft timing belt
pulley
D Faulty ECM (PCM)
Replace.
Connect securely.
Replace.
Adjust, clean or replace.
Replace ignition coil assembly.
Clean, tighten or replace.
Replace.
Poor fuel economy or
engine performance
D Incorrect ignition timing
D Faulty spark plug(s) or high-tension cord(s)
D Faulty ignition coil assembly
D Faulty CKP sensor or crankshaft timing belt
pulley
D Faulty ECM (PCM)
Check related sensors and
crankshaft timing belt pulley.
Adjust, clean or replace.
Replace.
Clean, tighten or replace.
Replace.