Daewoo MATIZ Service Manual page 359

DTC P0563 – System Voltage (Engine Side) Too High
Step
Perform an On-Board Diagnostic (EOBD) System
Check.
1
Is the system check complete?
1. Install a scan tool and clear the Diagnostic
Trouble Codes (DTCs).
2. Start the engine and raise the engine speed to
the specified value.
2
3. Load the electrical system by turning on the
headlights, high blower motor, etc.
Is the ignition voltage less than the specified value?
1. With the engine still running at the specified
value.
2. Using a digital voltmeter(DVM), measure the
3
battery voltage at the battery.
Is the battery voltage greater than the specified
value?
1. Turn the ignition switch to LOCK.
2. Disconnect the engine control module(ECM)
connector at the ECM.
3. Turn the Turn the ignition switch to ON with the
engine OFF.
4
4. Using a DVM, measure the ignition voltage at the
ignition feed circuit, terminal 29.
Is the ignition voltage greater than the specified
value?
Check for a malfunctioning connection at the ECM
harness terminals and repair as necessary.
5
Is a repair necessary?
Repair the poor connection (high resistance) in the
ignition feed circuit.
6
Is the repair complete?
Replace the ECM.
7
Is the replacement complete?
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
8
setting this DTC ad specified in the supporting
text.
Does the scan tool indicate that this diagnostic has
run and passed?
Check if any additional DTCs are set.
9
Are any DTCs displayed that have not been
diagnosed?
DAEWOO M-150 BL2
Action
ENGINE CONTROLS 1F – 261
Value(s) Yes
–
Go to Step 2
1,400rpm 10V Go to Step 3
1,400rpm 12V Go to Step 4
10V Go to Step 5
–
Go to Step 8
–
Go to Step 8
–
Go to Step 8
–
Go to Step 9
Go to
applicable DTC
–
table
No
Go to
"On-Board
Diagnostic
System Check"
Go to Step 8
Go to
"Diagnostic
Aids"
Go to Step 6
Go to Step 7
–
–
Go to Step 2
System OK