Daewoo MATIZ Service Manual page 144

1F – 46 ENGINE CONTROLS
Step
Check for an open in the wire from EI system
ignition coil connector terminal 2 to the Engine
9
Control Module (ECM) connector terminal 1.
Is the problem found?
1. Replace the EI system ignition coil.
2. Connect the EI system ignition coil connector.
10
3. Check for the presence of spark from all of the
ignition wires.
Is spark present from all of the ignition wires?
1. Replace the ECM.
2. Connect the EI system ignition coil connector.
11
3. Check for the presence of spark from all of the
ignition wires.
Is spark present from all of the ignition wires?
1. Turn the ignition OFF.
2. Disconnect the crankshaft position (CKP) sensor
connector.
3. Measure the resistance between the CKP sensor
terminals 1 and 2.
Is the resistance within the value specified?
12
4. Measure the resistance between following
terminals.
D Terminals 1 and 3 of CKP sensor.
D Terminals 2 and 3 of CKP sensor.
Is the resistance within the value specified?
Replace the crankshaft position sensor.
13
Is the repair complete?
1. Turn the ignition ON.
2. Measure the voltage between the CKP sensor
14
connector terminals 1 and 3.
Is the voltage within the value specified?
Measure the voltage between the CKP sensor
connector terminal 1 and ground.
15
Is the voltage within the value specified?
Check the wire between the CKP sensor connector
terminal 1 and the ECM connector terminal 54 for an
16
open or short.
Is the problem found?
Repair the wire between the CKP sensor connector
terminal 1 and the ECM connector terminal 54.
17
Is the repair complete?
Check the wire between the CKP sensor connector
terminal 3 and ground for an open or short.
18
Is the problem found?
Repair the wire between the CKP sensor connector
terminal 3 and ground.
19
Is the repair complete?
1. Turn the ignition ON.
2. Measure the voltage between the CKP sensor
20
connector terminals 2 and 3.
Is the voltage within the value specified?
Ignition System Check (Cont'd)
Action Value(s) Yes
–
Go to Step 7
–
System OK
–
System OK
400–600 Ω
∞
Go to Step 14
–
System OK
0.95–1.10 V Go to Step 20
0.95–1.10 V Go to Step 18
–
Go to Step 17
–
System OK
–
Go to Step 19
–
System OK
0.95–1.10 V Go to Step 24
No
Go to Step 11
–
–
Go to Step 13
–
Go to Step 15
Go to Step 16
Go to Step 10
–
Go to Step 11
–
Go to Step 21
DAEWOO M-150 BL2