Geely CK Series 2007 Workshop Manual page 9

c) When fault diagnosis tester is not used
(1) Shorting fault diagnosis interface socket 13 (TC) terminal and 4(CG) terminal.
Notice:
Ensure correct connection, otherwise the engine will be damaged.
Switch off all electrical appliance system.
Check when disconnecting cooling fan motor.
(2) Using timing light to check ignition timing.
Ignition timing: 10 ± 2° BTDC at idle
Notice:
(1) Transmission shift lever should be in neutral position when checking ignition timing.
(2) Running engine at 1,000-1,300rpm for 5s and check at idle.
(3) Remove the tester on fault diagnosis socket.
(4) Ignition timing advance angle becomes larger when the engine roate speed is higher.
(5) Remove timing light.
8. Check engine idle See (Figure 3)
(a) Warm up the engine.
(b) Connect fault diagnosis tester to fault diagnosis interface socket.
(c) Connect tachometer testing pen to fault diagnosis socket terminal
9 when not using fault tester.
(d) Check idle See (Table 2).
MR479Q
MR479QA
MR481QA
Notice:
Check idle when cooling fan motor is disconnected.
Switch off all electrical accessories and A/C.
9. Check compression pressure See (Figure 4)
(a) Engine switched off.
(b) Detach high voltage cable.
(c) Detach spark plug.
(d) Check the compression pressure in the cylinder.
(1) Insert pressure gauge into the hole of the spark plug.
(2) Throttle valve full open.
(3) Crank the engine, measure the compression pressure.
2
Table 2
800±50 (rpm)
800±50 (rpm)
800±50 (rpm)
Techometer
Battery
Figure 3
Figure 4