camshaf DAEWOO MATIZ 2003 Service Owner's Manual

1F – 152 ENGINE CONTROLS
DAEWOO M-150 BL2
MAA1F180
DIAGNOSTIC TROUBLE CODE (DTC) – P0336 58X CRANKSHAFT POSITION
SENSOR NO PLAUSIBLE SIGNAL
Circuit Description
The 58X reference signal is produced by the crankshaft
position (CKP) sensor. During one crankshaft revolu-
tion, 58 crankshaft pulses will be produced. The engine
control module(ECM) uses the 58X reference signal to
calculate engine rpm and CKP. The ECM constantly
monitors the number of pulses on the 58X reference cir-
cuit and compares them to the number of camshaft posi-
tion (CKP) signal pulses being received. If the ECM
receive and incorrect number of pulses on the 58X refer-
ence circuit, DTC P0336 will set.
Conditions for Setting the DTC

This DTC can be stored in “key-on” status.

Detected number of teeth is differs by 3 or higher.
Action Taken When the DTC Sets

The Malfunction Indicator Lamp (MIL) will illuminate.

The ECM will record operating conditions at the time
the diagnostic fails. This information will be stored in
the Freeze Frame and Failure Records buffers.

A history DTC is stored.
Conditions for Clearing the MIL/DTC

The MIL will turn off after four consecutive ignition
cycles in which the diagnostic runs without a fault.
A history DTC will clear after 40 consecutive warm-up
cycles without a fault.

DTC(s) can be cleared by using the scan tool.

Disconnecting the ECM battery feed for more than 10
seconds.
DIAGNOSTIC AIDS
An intermittent may be caused by a poor connection,
rubbed-through wire insulation or a wire broken inside
the insulation. Check for :
Poor connection – inspect the ECM harness and con-
nectors for improper mating, broken locks, improperly
formed or damaged terminals, and poor terminal-to-wire
connection.
Damaged harness – inspect the wiring harness for dam-
age. If the harness appears to be OK, disconnect the
ECM, turn the ignition ON and observe a voltmeter con-
nected to the 58X reference circuit at the ECM harness
connector while moving the connectors and the wiring
harness related to the ECM. A change in voltage will in-
dicate the location of the fault.
Review the failure records vehicle mileage since the
diagnostic test failed may help determine how often the
condition that caused the DTC to be set occurs. This
may assist in diagnosing the condition.

1F–154 ENGINE CONTROLS
DAEWOO M-150 BL2
MAA1F180
DIAGNOSTIC TROUBLE CODE (DTC) – P0337 58X CRANKSHAFT POSITION
SENSOR NO SIGNAL
Circuit Description
The 58X reference signal is produced by the crankshaft
position (CKP) sensor. During one crankshaft revolu-
tion, 58 crankshaft pulses will be produced. The engine
control module(ECM) uses the 58X reference signal to
calculate engine rpm and CKP. The ECM constantly
monitors the number of pulses on the 58X reference cir-
cuit and compares them to the number of camshaft posi-
tion (CKP) signal pulses being received. If the ECM
receive and incorrect number of pulses on the 58X refer-
ence circuit, DTC P0337 will set.
Conditions for Setting the DTC

This DTC can be stored in “key-on” status.

No crankshaft teeth detected.
Action Taken When the DTC Sets

The Malfunction Indicator Lamp (MIL) will illuminate.

The ECM will record operating conditions at the time
the diagnostic fails. This information will be stored in
the Freeze Frame and Failure Records buffers.

A history DTC is stored.
Conditions for Clearing the MIL/DTC

The MIL will turn off after four consecutive ignition
cycles in which the diagnostic runs without a fault.
A history DTC will clear after 40 consecutive warm-up
cycles without a fault.

DTC(s) can be cleared by using the scan tool.
DIAGNOSTIC AIDS
An intermittent may be caused by a poor connection,
rubbed-through wire insulation or a wire broken inside
the insulation. Check for :
Poor connection – inspect the ECM harness and con-
nectors for improper mating, broken locks, improperly
formed or damaged terminals, and poor terminal-to-wire
connection.
Damaged harness – inspect the wiring harness for dam-
age. If the harness appears to be OK, disconnect the
ECM, turn the ignition ON and observe a voltmeter con-
nected to the 58X reference circuit at the ECM harness
connector while moving the connectors and the wiring
harness related to the ECM. A change in voltage will in-
dicate the location of the fault.
Review the failure records vehicle mileage since the
diagnostic test failed may help determine how often the
condition that caused the DTC to be set occurs. This
may assist in diagnosing the condition.

1F–156 ENGINE CONTROLS
DAEWOO M-150 BL2
MAA1F190
DIAGNOSTIC TROUBLE CODE (DTC) – P0341 CAMSHAFT POSITION SENSOR
RATIONALITY
Circuit Description
The Camshaft Position Sensor is used to detect Cam-
shaft position and to have correlation with Crankshaft
position so that the ECM can determine which cylinder is
ready to be fueled by the injector. The polarity of cam-
shaft sensor signal must be changed only once per
crankshaft position.
Conditions for Setting the DTC

Engine is running.

No traction of CMP signal between teeth 18 and 82
but change in polarity.
Action Taken When the DTC Sets

The Malfunction Indicator Lamp (MIL) will illuminate.

The ECM will record operating conditions at the time
the diagnostic fails. This information will be stored in
the Freeze Frame and Failure Records buffers.

A history DTC is stored.
Conditions for Clearing the MIL/DTC

The MIL will turn off after four consecutive ignition
cycles in which the diagnostic runs without a fault.
A history DTC will clear after 40 consecutive warm-up
cycles without a fault.

DTC(s) can be cleared by using the scan tool.
Diagnostic Aids
Check and correct any abnormal engine noise before
using the diagnostic table.
Any circuitry that is suspected as causing engine noise
complaint should be thoroughly checked for the follow-
ing conditions :

Backed-out terminals.

Improper mating.

Broken locks.

Improperly formed.

Damaged terminals.

Poor terminal-to-wire connections.

Physical damage to the wiring harness.

ENGINE CONTROLS 1F–157
DAEWOO M-150 BL2
DTC P0341 – Camshaft Position Sensor Rationality
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Turn the ignition switch to LOCK.
2. Disconnect the CMP sensor connector.
3. Check for a faulty connector or terminals.
Is the problem found?
–
Go to Step 4Go to Step 3
3
1. Turn the ignition switch to ON.
2. Disconnect the ECM connector.
3. Inspect the ECM pins and connector for bent or
damaged terminals.
4. Check the wire between the CMP sensor terminal
1 and ECM connector 82 for an open or short to
ground or short to battery voltage while related
connectors and wiring harness.
5. Check the wires between the CMP sensor
terminal 2 and ECM connector 18 for an open
while moving related connectors and wiring
harness.
Is the problem found?
–
Go to Step 4Go to Step 5
4
1. Turn the ignition switch to LOCK.
2. Repair or replace the wire or the connector.
3. Clear any DTCs from the ECM.
4. Run the engine.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
5
1. Turn the ignition switch to LOCK.
2. Replace the CMP sensor.
3. Clear any DTCs from the ECM.
4. Run the engine.
5. Perform the diagnostic system check.
Does DTC P0341 reset?
–
System OKGo to Step 6
6
1. Replace the ECM.
2. Run the engine.
3. Perform the Diagnostic system check.
Is the replacement complete?
–
Go to Step 7
–
7
1. Using the scan tool, clear the DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic run
and passed?
–
Go to Step 8
–
8
Check if any additional DTCs are set.
Are any DTCs displayed that have not been
diagnosed?
–
Go to
Applicable DTC
table
System OK

1F–158 ENGINE CONTROLS
DAEWOO M-150 BL2
MAA1F190
DIAGNOSTIC TROUBLE CODE (DTC) – P0342 CAMSHAFT POSITION SENSOR
NO SIGNAL
Circuit Description
The Camshaft Position Sensor is used to detect Cam-
shaft position and to have correlation with Crankshaft
position so that the ECM can determine which cylinder is
ready to be fueled by the injector. The polarity of cam-
shaft sensor signal must be changed only once per
crankshaft position.
Conditions for Setting the DTC

Engine is running.

No traction of CMP signal between teeth 18 and 82
but change in polarity.
Action Taken When the DTC Sets

The Malfunction Indicator Lamp (MIL) will illuminate.

The ECM will record operating conditions at the time
the diagnostic fails. This information will be stored in
the Freeze Frame and Failure Records buffers.

A history DTC is stored.
Conditions for Clearing the MIL/DTC

The MIL will turn off after four consecutive ignition
cycles in which the diagnostic runs without a fault.
A history DTC will clear after 40 consecutive warm-up
cycles without a fault.

DTC(s) can be cleared by using the scan tool.
DIAGNOSTIC AIDS
Check and correct any abnormal engine noise before
using the diagnostic table.
Any circuitry that is suspected as causing engine noise
complaint should be thoroughly checked for the follow-
ing conditions :

Backed-out terminals.

Improper mating.

Broken locks.

Improperly formed.

Damaged terminals.

Poor terminal-to-wire connections.

Physical damage to the wiring harness.

ENGINE CONTROLS 1F–159
DAEWOO M-150 BL2
DTC P0342 – Camshaft Position Sensor No Signal
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Turn the ignition switch to LOCK.
2. Disconnect the CMP sensor connector.
3. Check for a faulty connector or termin1als.
Is the problem found?
–
Go to Step 4Go to Step 3
3
1. Turn the Turn the ignition switch to ON.
2. Disconnect the ECM connector.
3. Inspect the ECM pins and connector for bent or
damaged terminals.
4. Check the wire between the CMP sensor terminal
1 and ECM connector 82 for an open or short to
ground or short to battery voltage while related
connectors and wiring harness.
5. Check the wires between the CMP sensor
terminal 2 and ECM connector 18 for an open
while moving related connectors and wiring
harness.
Is the problem found?
–
Go to Step 4Go to Step 5
4
1. Turn the ignition switch to LOCK.
2. Repair or replace the wire or the connector.
3. Clear any DTCs from the ECM.
4. Run the engine.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
5
1. Turn the ignition switch to LOCK.
2. Replace the CMP sensor.
3. Clear any DTCs from the ECM.
4. Run the engine.
5. Perform the diagnostic system check.
Does DTC P0342 reset?
–
System OKGo to Step 6
6
1. Replace the ECM.
2. Run the engine.
3. Perform the Diagnostic system check.
Is the replacement complete?
–
Go to Step 7
–
7
1. Using the scan tool, clear the DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic run
and passed?
–
Go to Step 8
–
8
Check if any additional DTCs are set.
Are any DTCs displayed that have not been
diagnosed?
–
Go to
Applicable DTC
table
System OK

ENGINE CONTROLS 1F–285
DAEWOO M-150 BL2
Hard Start (Cont’d)
StepActionValue(s)YesNo
23
1. Check for the proper valve timing.
2. Check the cylinder compression.
3. Inspect the pushrods, the rocker arms, the valve
springs, and the camshaft lobes for excessive
wear.
4. Inspect the intake manifold and the exhaust
manifold passages for casting flash.
Is the problem found?
–
Go to Step 24Go to Step 25
24Repair or replace any components as needed.
Is the repair complete?–System OK–
25
Check the idle air control valve operation. Repair or
replace components as needed.
Is the repair complete?
–
System OK
–
26
Check the throttle position sensor circuit for proper
operation. Repair or replace components as needed.
Is the repair complete?
–
System OK
–
27Repair the fuel system as needed.
Is the repair complete?–System OK–
28
1. Turn the ignition OFF.
2. Replace the ECM.
Is the repair complete?
–
System OK
–

1F–288 ENGINE CONTROLS
DAEWOO M-150 BL2
LACK OF POWER, SLUGGISHNESS, OR SPONGINESS
Definition: The engine delivers less than expected pow-
er. There is little or no increase in speed when the accel-
erator pedal is partially applied.
StepActionValue(s)YesNo
1
Were the Important Preliminary Checks performed?
–
Go to Step 2
Go to
“Important
Preliminary
Checks”
2
1. Verify the customer’s complaint.
2. Compare the performance of the customer’s
vehicle with a similar unit.
Does the problem exist?
–
Go to Step 3System OK
3
1. Inspect the air filter for excessive contamination.
2. Replace the air filter as needed.
3. Check the transaxle shift pattern and down shift
operation.
Does the transaxle operate properly?
–
Go to Step 4Go to Step 5
4Check the fuel system pressure.
Is the fuel system pressure within specifications?380 kPa
(55 psi)
Go to Step 7Go to Step 6
5Repair the transaxle as needed.
Is the repair complete?–System OK–
6Repair the fuel system as needed.
Is the repair complete?–System OK–
7Check for a restricted fuel filter or contaminated fuel.
Is the problem found?–Go to Step 8Go to Step 9
8Repair or replace any components as needed.
Is the repair complete?–System OK–
9
1. Check the ignition system output for all of the
cylinders using a spark tester.
2. Check for proper ignition control operation.
Is the ignition system operating properly?
–
Go to Step 10Go to Step 11
10
1. With the engine at normal operating temperature,
connect a vacuum gauge to a vacuum port on the
intake manifold.
2. Operate the engine at 1000 rpm.
3. Record the vacuum reading.
4. Increase the engine speed to 2500 rpm.
5. Note the vacuum reading at a steady 2500 rpm.
Does the vacuum decrease more than the value
specified?
10 kPa
(3 in Hg)
Go to Step 12Go to Step 15
11
Repair or replace any ignition system components
as needed.
Is the repair complete?
–
System OK
–
12
Inspect the exhaust system for restrictions and
damaged or collapsed pipes.
Is the problem found?
–
Go to Step 13Go to Step 14
13Repair or replace any components as needed.
Is the repair complete?–System OK–
14
1. Check the cylinder compression and valve timing.
2. Inspect the camshaft for excessive wear.
Is the problem found?
–
Go to Step 15Go to Step 16

ENGINE CONTROLS 1F–291
DAEWOO M-150 BL2
Detonation/Spark Knock (Cont’d)
StepActionValue(s)YesNo
12
1. Inspect for carbon buildup inside the engine.
2. Remove the carbon with a top engine cleaner.
Follow the instructions supplied with the product.
3. Check the basic engine parts such as the
camshaft, the cylinder head, the pistons, etc. for
excessive wear.
4. Replace any excessively worn parts.
Is the procedure complete?
–
Go to Step 13
–
13
1. Check the exhaust gas recirculation valve for
proper operation.
2. Check the air intake system for proper operation.
3. Check the torque converter clutch operation and
transaxle shift points.
4. Check the service bulletins for Programmable
Read Only Memory (PROM) updates.
5. Check the cylinder compression.
6. Repair or replace any faulty components.
Are all checks and repairs complete?
–
System OK
–

1F–294 ENGINE CONTROLS
DAEWOO M-150 BL2
CUTS OUT, MISSES
Definition: Steady pulsation or jerking that follows en-
gine speed, usually more pronounced as engine load in-creases. The exhaust has a steady spitting sound at idle
or low speed.
StepActionValue(s)YesNo
1
Were the Important Preliminary Checks performed?
–
Go to Step 2
Go to
“Important
Preliminary
Checks”
2
Check the ignition system voltage output for all of
the cylinders using a spark tester.
Is spark present on all of the cylinders?
–
Go to Step 3
Go to “Ignition
System Check”
3
1. Inspect the spark plugs for excessive wear,
insulation cracks, improper gap, or heavy
deposits.
2. Check the resistance of the ignition wires.
Replace any ignition wires that have a resistance
greater than the value specified.
Is the problem found?
30000 ΩGo to Step 4Go to Step 5
4Repair or replace any components as needed.
Is the repair complete?–System OK–
5
With the engine running, spray the ignition wires with
a fine water mist to check for arcing and shorting to
ground.
Is the problem found?
–
Go to Step 6Go to Step 7
6Replace the ignition wires.
Is the repair complete?–System OK–
7
1. Perform a cylinder compression test.
2. If the compression is low, repair the engine as
needed.
3. Inspect for proper valve timing, bent pushrods,
worn rocker arms, broken or weak valve springs,
and worn camshaft lobes.
4. Inspect the intake manifold and the exhaust
manifold passages for casting flash.
Is the problem found?
–
Go to Step 8Go to Step 9
8Repair or replace any components as needed.
Is the repair complete?–System OK–
9
1. Check the fuel system for a plugged in-line fuel
filter.
2. Check the fuel system for low fuel pressure. If the
fuel pressure is below the value specified, service
the fuel system as needed.
3. Inspect for contaminated fuel.
Is the problem found?
380 kPa
(55 psi)
Go to Step 10Go to Step 11
10Repair or replace any components as needed.
Is the repair complete?–System OK–
11
1. Disconnect all of the fuel injector harness
connectors at the fuel injectors.
2. Connect an injector test light to the harness
terminals of each fuel injector connector.
3. Note the test light while cranking the engine for
each fuel injector.
Does the test light blink for all of the fuel injectors?
–
Go to Step 13Go to Step 12