Suzuki SY413 Service Manual page 2834

1. Ignition coil bolt
2. Ignition coil assembly 3. High tension cord
DIAGNOSIS
DIAGNOSIS TABLE
Refer to Section 6.
COMPRESSION CHECK
Check compression pressure on all four cylinders as follows:
1) Warm up engine.
2) Stop engine after warming up.
NOTE:
After warming up engine, place transmission gear shift le-
ver in "Neutral" (shift selector lever to "P" range for A/T
model), and set parking brake and block drive wheels.
3) Disconnect ignition coil coupler.
4) Disconnect high-tension cord from ignition coil assembly.
5) Remove ignition coil bolt, and then pull out ignition coil assem-
bly.
6) Remove all spark plugs and disconnect fuel injector wire har-
ness at couplers.
7) Install special tool (Compression gauge) into spark plug hole.
Special Tool
(A): 09915-64510-001
(B): 09915-64510-002
(C): 09915-64530
(D): 09915-67010
1. Fuel injector coupler
ENGINE MECHANICAL (G13/G16 TYPE ENGINE) 6A1-5
WARNING:
Failure in disconnecting couplers from ignition coil
assemblies can cause spark to occur in engine room
possibly resulting in a dangerous explosion.