SsangYong Stavic / SsangYong Rodius (2005 year). Service manual — part 48
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ENGINE CONTROLS
M162 GSL ENG SM - 2005.7
8.0 ms
3 ~ 5 ms
14 ms
Injector Spray Pattern Check
1. Turn the ignition switch OFF.
2. Remove the fuel injector connectors.
3. Remove the fuel distributor and injector with a unit. At
this time, do not remove the supply and return line.
Notice
Prepare the beaker for taking the fuel.
4. Connect the shop made cable to the injector with a firing
order.
5. Connect the other end of shop made cable to the positive
battery cable and negative battery cable.
6. Turn the ignition switch ON.
7. Check the injector for normal spray pattern as shown in
the figure. Check injector for leaks or later drop
Injector Resistance Inspection
1. Turn the ignition switch OFF.
2. Remove the fuel injector connectors.
3. Measure the fuel injector coil resistance using a
multimeter.
Notice
Replace the fuel injector if the measured value is out
of the specified values. Check the connector and wire
connection between the ECM and the injector if the
measured values are normal.
Injector Pulse Width Inspection
1. Turn the ignition switch OFF.
2. Install the scan tool.
3. Turn the ignition switch ON.
4. Monitor the “INJECTION TIME” with a scan tool.
Specified value
14 ~ 17
Ω
Cranking
Engine Idle
Wide Open Throttle (WOT)
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ENGINE CONTROLS
M162 GSL ENG SM - 2005.7
PURGE CONTROL VALVE
The fuel vaporization control system is in stalled to inhibit the fuel vaporized gas from discharging into the atmosphere.
The fuel vaporized gas that is accumulated in the canister abstracts through the purge control valve purification during
the engine combustion (except the decreasing mode) and coolant temperature of over 80°C. For this reason, the Engine
Control Module (ECM) transacts the engine speed, air inflow quantity, coolant temperature, and intake temperature.
The purge control valve is activated by the ECM frequency according with the engine rotating speed to adjust the
purification rate. The purification rate is determined by the continuous valve opening interval.
The purge control valve is activated by the ECM for the following conditions:
• Coolant temperature of over 80°C
• Engine speed of over 1,000 rpm
• 2 minutes after starting
• When the fuel cut-off mode is not activated
1. Purge control valve
2. Line to engine
3. Line to conister
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ENGINE CONTROLS
M162 GSL ENG SM - 2005.7
4. Remove the line to canister and measure the pressure
with the vacuum pressure gauge.
Test
1. Maintain the normal temperature and idling state by
operating the engine.
2. Connect the ECM terminal No. 11 and No. 34 and check
for normal operation through the output waves using
oscilloscope.
Notice
Test during purge control valve operation after the
minimum of 1 minute after the engine turned on.
3. Connect the ECM terminal No. 34 and No.10 and check
for current consumption during the ignition switch ON.
Notice
Test while at normal temperature and at idling state
by operating the engine.
Specified value
0.3 ~ 0.5 A
Specified value
> 500 mbar
(after approx. 1 min.)
purge control valve oper-
ates at this time
Failur Code
Description
Trouble Area
Maintenance Hint
• Inspection the ECM pin 34 about
short circuit or open with bad
contact.
• Inspection the source power of
valve
• Inspection the purge control
solenoid vale
• Inspection the ECM
Purge control valve
short circuit to battery
When short circuit to power
source
40
Purge control valve
short circuit to ground
or open
When short circuit to ground or
open circuit or open with bad
contact
41
Purge control circuit
malfunction
When malfunction of purge
control: not work vale
54
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ENGINE CONTROLS
M162 GSL ENG SM - 2005.7
FUEL RAIL
1. Injector connector
2. Injector
3. Fuel rail
4. Fuel supply line
5. Fuel return line
6. Bolt
7. Vacuum hose
8. O-ring
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