Daewoo MATIZ Service Manual page 245

Step
Perform an Euro On-Board Diagnostic (EOBD II)
System Check.
1
Is the system check complete?
1. Start the engine.
2. Install a scan tool.
3. Clear the Diagnostic Trouble Codes (DTCs).
2
4. Operate the vehicle within the Freeze Frame
conditions and conditions for setting the DTC as
noted.
Does the Malfunction Indicator (MIL) illuminate?
1. Turn the ignition switch ON, with the engine OFF.
2. Review the Freeze Frame data and note the
parameters.
3
3. Operate the vehicle within the Freeze Frame
conditions and conditions for Setting The DTC as
noted.
Does the Malfunction Indicator (MIL) illuminate?
Listen to the engine while raising and lowering the
engine speed.
4
Is a knock or audible noise present?
Repair the mechanical engine problem or a loose
bracket or component.
5
Is the repair complete?
1. Turn the ignition switch to lock.
2. Disconnect the engine control module(ECM).
3. With a digital voltmeter (DVM) connected to
6
ground, measure the resistance of the knock
sensor through the knock sensor signal circuit,
terminal 50.
Is the measured value within the specified value?
Check for a poor connection at the ECM connector,
knock sensor (KS) signal circuit and repair as
7
necessary.
Is a repair necessary?
Replace the engine control module(ECM).
8
Is the replacement complete?
Check the KS electrical connector for a poor
connection and repair an necessary.
9
Is a repair necessary?
Check the KS signal circuit for an open or a low
voltage or voltage and repair as necessary.
10
Is a repair necessary?
Replace the KS.
11
Is the replacement complete?
DAEWOO M-150 BL2
DTC P0327 – Knock Sensor Circuit
Action
ENGINE CONTROLS 1F – 147
Value(s) Yes
–
Go to Step 2
–
Go to Step 4
–
Go to Step 4
–
Go to Step 5
–
Go to Step 12
90–110KΩ Go to Step 7
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
No
Go to
"On-Board
Diagnostic
System Check"
Go to Step 3
Go to Step 12
Go to Step 6
–
Go to Step 9
Go to Step 8
Go to Step 10
Go to Step 10
Go to Step 11
–