ENGINE CONTROLS 1F–277
DAEWOO M-150 BL2
DTC P1660 – Malfunction Indicator Lamp (MIL) High Voltage
Step Action Value(s) Yes No
1
Perform an On-Board Diagnostic (EOBD) System
Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Turn the ignition switch to LOCK.
2. Disconnect the cluster wiring connector.
3. With the test light, connected to ground, probe
the ignition feed circuit, at terminal A7 in the
harness connector.
Does the resistance within the specified value? 0 Ω Go to Step 3 Go to Step 6
3
1. Turn the ignition switch to LOCK.
2. With the test light, connected to ground, probe
the ignition feed circuit, at ECM wiring connector
terminal 68.
Does the test light illuminate?
–
Go to Step 4 Go to Step 5
4
1. Turn the ignition switch to LOCK.
2. Replace the cluster.
Is the replacement complete?
–
Go to Step 6
–
5
Repair a short to battery between the ECM wiring
connector terminal 68 and cluster wiring connector
terminal B9.
Is the repair complete?
–
Go to Step 6
–
6
1. Using the scan tool, clear the Diagnostic Trouble
Codes(DTCs)
2. Start the engine and idle at normal operating
temperature.
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?
–
Go to Step 7 Go to Step 2
7
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been
diagnosed?
–
Go to
applicable DTC
table System OK
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