Daewoo MATIZ Service Manual page 367

Step
Perform an On-Board Diagnostic (EOBD) System
Check.
1
Is the system check complete?
1. Disconnect the main relay.
2. Measure the resistance between main relay
2
terminals 85 and 86.
Does the resistance within the specified value?
1. Turn the ignition switch to LOCK.
2. With the test light, connected to ground, probe
3 the ignition feed circuit, at terminal 85 in the relay
harness connector.
Does the test light illuminate?
1. Turn the ignition switch to LOCK.
2. Disconnect the ECM wiring harness connector.
3. With the test light, connected to ground, probe
4
the ignition feed circuit, at terminal 85 in the relay
harness connector.
Does the test light illuminate?
Repair a high voltage between the ECM wiring
connector terminal 7 and main relay terminal 85.
5
Is the repair complete?
Replace the main relay.
6
Is the replacement complete?
1. Using the scan tool, clear the Diagnostic Trouble
Codes(DTCs)
2. Start the engine and idle at normal operating
temperature.
7
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 has
run and passed?
Check if any additional DTCs are set.
8
Are any DTCs displayed that that have not been
diagnosed?
DAEWOO M-150 BL2
DTC P1611 – Main Relay Low Voltage
Action
ENGINE CONTROLS 1F – 269
Value(s) Yes
–
Go to Step 2
75~85Ω Go to Step 3
–
Go to Step 4
–
Go to Step 5
–
Go to Step 7
–
Go to Step 7
–
Go to Step 8
Go to
applicable DTC
–
table
No
Go to
"On-Board
Diagnostic
System Check"
Go to Step 6
Go to
"Diagnostic
Aids"
Go to Step 7
–
–
Go to Step 2
System OK