Daewoo MATIZ User Manual

ENGINE CONTROLS 1F–39
DAEWOO M-150 BL2
Main Relay Circuit Check
Step Action Value(s) Yes No
1
1. Turn the ignition OFF.
2. Disconnect the engine fuse block fuse EF26.
3. Turn the ignition ON.
4. With a test light connected to the ground, probe
the fuse terminals nearest the main relay for fuse
EF19.
Is the light on at both terminal?
–
System OK Go to Step 2
2 Is the light on at only one terminal? – Go to Step 3 Go to Step 4
3
Repair the open in the wiring between the main relay
connector terminal 30 and the fuse EF19 as needed.
Is the repair complete?
–
System OK
–
4
1. Turn the ignition OFF.
2. Remove the main relay.
3. Turn the ignition ON.
4. With a test light connected to the ground, probe
the main relay terminals 85 and 30.
Is the light on at both terminals.
–
Go to Step 8 Go to Step 5
5
1. Turn the ignition OFF.
2. Check engine fuse block fuse EF19.
Is one or both fuse blown?
–
Go to Step 6 Go to Step 7
6
1. Repair short circuit between terminal 87 of main
relay and heated oxygen sensor
2. Replace fuse EF19.
Is the repair complete?
–
System OK
–
7
Repair open circuit between terminal 30 of main
relay and fuse EF19.
Is the repair complete?
–
System OK Go to Step 8
8
1. Turn the ignition OFF.
2. Measure the resistance between following
terminals.
D Terminal 86 of main relay and ground.
D Terminal 87 of main relay and ground.
Is the resistance within the specified value
0 Ω Go to Step 10 Go to Step 9
9
Repair open circuit.
Is the repair complete?
–
System OK
–
10
Replace the main relay.
Is the repair complete?
–
System OK
–

Daewoo MATIZ Specifications

General

Brand	Daewoo
Model	MATIZ
Category	Automobile
Language	English