Codes); Table A. Mi-04 Diagnostic Fault Codes (Flash Codes) - Daewoo G420E Service Manual

Table a. MI-04 Diagnostic Fault Codes (Flash Codes)

DFC Probable Fault
12 NONE
Signifies the end of one pass through
the fault list
14 ECTSensorInputLow
Coolant sensor failure or shorted to
GND
15 ECTSensorInputHigh
Coolant sensor disconnected or open
circuit
16 ECTRangeHigh
Engine Overheating
22 ThrottleSensorInputLo
TPS1 signal disconnected or open
circuit
(Expected faults when ETC
connector is unplugged
CODES: 22 & 24)
Tier
G420E/G424E LP Engine
Action
NONE
Stored Fault Code
(MIL Only)
Stored Fault Code
(MIL Only)
Delayed Engine
Shutdown
Disable Throttle
48
Corrective Action, First Check
None, used as a beginning and end
of the fault list identification
Check ECT sensor connector and
wiring for a short to GND
SECM (SIGNAL) PIN 16 to
ECT PIN A
SECM (GND) PIN 1 to
ECT PIN B
Check if ECT sensor connector is
disconnected or for an open ECT
circuit
SECM (SIGNAL) PIN 16 to
ECT PIN A
SECM (GND) PIN 1 to
ECT PIN B
Check coolant system for radiator
blockage, proper coolant level and for
leaks in the system. Possible ECT
short to GND, check ECT signal
wiring
SECM (SIGNAL) PIN 16 to
ECT PIN A
SECM (GND) PIN 1 to
ECT PIN B
Check regulator for coolant leaks
*See Chapter 7.0
Check throttle connector connection
and TPS1 sensor for an open circuit
ETC PIN 6 to SECM PIN 17
(SIGNAL)
ETC PIN 2 to SECM PIN 1 (GND)
Advanced Diagnostics