Page 319 of 1007

ENGINE MANAGEMENT SYSTEM - SIEMENS
18-3-14 REPAIRS
5.Release throttle pedal switch from bracket on
throttle pedal assembly.
6.Release clips securing switch bracket to pedal
assembly and remove bracket.
Refit
1.Fit switch bracket to throttle pedal assembly
and secure with clips
2.Position switch and push fully into bracket on
pedal assembly.
3.To correctly position throttle pedal switch, move
throttle pedal to the closed position and ensure
that switch is in contact with tang on throttle
pedal.
4.Connect multiplug to throttle pedal switch.
5.Connect throttle inner cable to throttle pedal
and secure with clip.
6.Position throttle pedal assembly to bulkhead, fit
and tighten nuts to 25 Nm (18 lbf.ft).
Sensor - combined - manifold absolute
pressure/Intake air temperature (MAP/
IAT)
$% 19.22.26
Remove
1.Disconnect battery earth lead.
2.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
3.Disconnect multiplug from MAP/IAT sensor.
4.Remove 2 screws securing MAP/IAT sensor to
inlet manifold chamber, remove sensor.
Refit
1.Clean MAP/IAT sensor and mating face on inlet
manifold chamber.
2.Position MAP/IAT sensor, fit and tighten
screws.
3.Connect multiplug to MAP/IAT sensor.
4.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
5.Connect battery earth lead.
M19 3182
M19 3197
Page 320 of 1007
ENGINE MANAGEMENT SYSTEM - SIEMENS
REPAIRS 18-3-15
Sensor - throttle position (TP) - NAS - up
to 03MY
$% 19.22.49
Remove
1.Disconnect battery earth lead.
2.Remove 2 nuts and release throttle pedal from
studs.
3.Release TP sensor multiplug from bracket and
disconnect from main harness.
4.Remove nut and release lever from sensor.
5.Remove 2 nuts and bolts and remove sensor.Refit
1.Fit TP sensor and tighten nuts and bolts to 10
Nm (7 lbf.ft).
2.With throttle pedal held closed, fit lever to
sensor and tighten nut to 10 Nm (7 lbf.ft).
3.Position throttle pedal, connect multiplug and
secure to pedal bracket.
4.Fit pedal to studs and tighten nuts to 25 Nm (18
lbf.ft).
5.Connect battery earth lead.
6.Use TestBook/T4 to confirm correct operation.
Page 321 of 1007
ENGINE MANAGEMENT SYSTEM - SIEMENS
18-3-16 REPAIRS
Sensor - throttle position (TP) - NAS -
from 03MY
$% 19.22.49
Remove
1.Ensure ignition is switched off.
2.Remove 2 nuts and release throttle pedal and
TP sensor assembly from studs.
3.Disconnect multiplug from TP sensor.
4.Remove throttle pedal and TP sensor
assembly.
Refit
1.Position throttle pedal and TP sensor assembly
and connect multiplug.
2.Fit throttle pedal and TP sensor assembly to
studs and tighten nuts to 25 Nm (18 lbf.ft).
Page 322 of 1007
FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-1
FUEL DELIVERY SYST EM - PE TROL ADJUST ME NTS
Throttle cable - check and adjust - KV6
$% 19.20.05
Check
1.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Before adjusting cable, ensure that cable is
correctly routed and located.
Adjust
1.Release cable adjusting nut from abutment
bracket.2.Hold throttle cam in fully closed position.
3.Rotate adjusting nut until all slack is taken out
of inner cable and nut is in contact with rear
face of abutment bracket. Ensure throttle does
not open.
4.Fit throttle cable adjusting nut in abutment
bracket.
5.Operate throttle pedal and ensure that full
throttle pedal movement is available.
6.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 323 of 1007

FUEL DELIVERY SYSTEM - PETROL
19-2-2 ADJUSTMENTS
Throttle cable - check and adjust - K1.8
$% 19.20.05
Check
1.Before adjusting cable, ensure that cable is
correctly routed and located.
Adjust
1.Release cable adjusting nut from abutment
bracket.
2.Hold throttle cam in fully closed position.
3.Rotate adjusting nut until all slack is taken out
of inner cable and nut is in contact with rear
face of abutment bracket. Ensure throttle does
not open.
4.Fit throttle cable adjusting nut in abutment
bracket.
5.Operate throttle pedal and ensure that full
throttle pedal movement is available.
Fuel system - depressurise - KV6 - Non
NAS
$% 19.50.02
Check
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
3.Pull back cover from hose connector and
carefully release connector.
WARNING: Depressurise the system before
disconnecting any components. Fuel
pressure will be present in the system even
if the ignition has been switched off for
some time.
4.Secure connector once pressure has been
relieved.
5.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 324 of 1007
FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-3
Fuel system - depressurise - KV6 - NAS
$% 19.50.02
Check
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2. Up to 03MY: Remove nut and bolt securing coil
and position coil aside.
3.Remove schraeder valve cap.
4.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.5.Connect adapter LRT-19-006 to schraeder
valve.
6.Position opposite end of adapter LRT-19-006
into container, turn tap to release pressure.
7.Remove adapter LRT-19-006 from schraeder
valve.
8.Fit cap to schraeder valve.
9. Up to 03MY: Fit and tighten nut and bolt
securing coil.
10.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 325 of 1007

FUEL DELIVERY SYSTEM - PETROL
19-2-4 ADJUSTMENTS
Fuel system - depressurise - K1.8
$% 19.50.02
Check
1.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
2.Disconnect fuel feed hose from fuel rail.
3.Connect feed hose to fuel rail once pressure
has relieved.
Fuel system - pressure test - KV6 - Non
NAS
$% 19.50.13
Check
1.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Position absorbent cloth around fuel feed pipe
connection to collect spillage.
WARNING: Fuel vapour is highly flammable
and in confined spaces is also explosive
and toxic. Always have a fire extinguisher
containing foam, CO
2, gas or powder close
at hand when handling or draining fuel.
3.Disconnect fuel inlet hose from fuel rail pipe.
4.Connect adaptor LRT-19-013, to pressure
gauge LRT-19-004 .
5.Position pressure gauge LRT-19-004, connect
to fuel inlet hose and to fuel rail pipe, securing
pressure gauge hose to fuel rail pipe with clip.
6.Start engine. Pressure at idle = 3.4 bar. If
pressure below 3.4 bar suspect the following in
order: fuel hoses, filter, regulator and pump.
7.Stop engine.
8.Release clip and disconnect LRT-19-004
pressure gauge from fuel inlet hose and fuel rail
pipe.
9.Disconnect adaptor LRT-19-013 from LRT-19-
004 pressure gauge.
10.Connect fuel inlet hose to fuel rail pipe.
11.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
M19 3247A
LRT-19 - 013
LRT -19- 004
Page 326 of 1007

FUEL DELIVERY SYSTEM - PETROL
ADJUSTMENTS 19-2-5
Fuel system - pressure test - KV6 - NAS
$% 19.50.13
Remove
1.Remove acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Position absorbent cloth beneath fuel rail.
WARNING: Fuel vapour is highly flammable
and in confined spaces is also explosive
and toxic. Always have a fire extinguisher
containing foam, CO
2, gas or powder close
at hand when handling or draining fuel.
3. Up to 03MY: Remove nut and bolt securing coil
and position coil aside.
4.Connect adaptor LRT-19-006, to pressure
gauge LRT-19-004 .
5.Remove schraeder valve cap.
6.Connect pressure gauge to fuel rail schraeder
valve.
7.Start engine. Pressure at idle = 3.4 bar. If
pressure is below 3.4 bar, suspect the following
in order: fuel hoses, filter, regulator and pump.
Refit
1.Stop engine.
2.Disconnect pressure gauge LRT-19-006 and
adapter LRT-19-004 from fuel rail.
3. Up to 03MY: Fit and tighten nut and bolt
securing coil.
4.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Fuel system - pressure test - K1.8
$% 19.50.13
Check
1.Disconnect battery earth lead.
2.Position absorbent cloth beneath fuel pipe to
catch spillage.
WARNING: The spilling of fuel is
unavoidable during this operation. Ensure
that all necessary precautions are taken to
prevent fire and explosion.
3.Disconnect fuel pipe from inlet manifold.
4.Connect LRT-19-004A to manifold and fuel
pipe.
Note:: LRT-19-004X can be used as an
alternative.
5.Connect battery earth lead.
6.Start engine. Pressure at idle = 3.6 bar ± 0.2
bar.
7.Stop engine. If pressure is out of tolerance
suspect the following in order: fuel hoses, filter
and pump.
8.Remove plug, reconnect vacuum hose and
secure hose with clip.
9.Disconnect battery earth lead.
10.Disconnect LRT-19-004A from fuel pipe and
inlet manifold.
11.Connect fuel pipe to manifold.
12.Connect battery earth lead.
LRT - 19 -004A
M19 3675