Suzuki 2000 Grand Vitara SQ416, Service Manual

Page: 642 / 729

YH4
GRAND
VITARA
1. Monitor connector
2. Service wire
3. Ground terminal
4. Test switch terminal
1. “V” mark on crankshaft pulley
2. 5
_
BTDC
1
(A)
6F1-6 IGNITION SYSTEM (FOR G16 ENGINE)
IGNITION TIMING CHECK
NOTE:
Before starting engine, place transmission gear shift lever in
“Neutral” (shift selector lever to “P” range for A / T model), and
set parking brake.
1) Start engine and warm it up to normal operating temperature.
2) Make sure that all of electrical loads except ignition are switched
off.
3) Check to be sure that idle speed is within specification.
(Refer to SECTION 6E1.)
4) Fix ignition timing as follows.
[Using SUZUKI scan tool (Tech 1)]
Connect SUZUKI scan tool (Tech 1) to DLC (1) with ignition
switch OFF, restart engine and fix ignition timing by using fixed
spark mode of SUZUKI scan tool (Tech 1).
Special Tool
(A): 09931-76011 (SUZUKI scan tool)
(B): Mass storage cartridge
(C): 16 / 14 pin DLC (OBD-II adapter) cable
[Not using SUZUKI scan tool (Tech 1)] (for vehicle with monitor
connector)
a) Remove monitor connector cap.
b) Ground test switch terminal in monitor connector by using
service wire so that ignition timing is fixed on initial one.
5) Set timing light to high-tension cord for No.1 cylinder.
6) Using timing light, check that timing is within specification.
Initial ignition timing of viewpoint
(test switch terminal grounded): 5
1
_
BTDC
Ignition order: 1-3-4-2
Special Tool
(A): 09930-76420