Retrieving codes – Equus 3145 - Digital Ford Code Reader (1981 - 1995) User Manual
Page 63
Retrieving Codes
FAULT CODE DEFINITIONS FOR EEC-IV SYSTEMS (312 - 416)
Chapter 4
60
TEST
CODE
CONDITION
FAULT CODE DEFINITION
312
R
Thermactor air system/fault during engine
run self-test
313
R
Thermactor air system/air not bypassed
during self-test
314
R
(Cars ONLY): Thermactor air system/fault
during engine run self-test / left side
326
R, C
(Cars ONLY): EGR sensor circuit voltage
lower than expected
327
O, R, C
EGR valve position circuit below minimum
voltage
327
*
EVP/EPT circuit below minimum voltage
328
O, R, C
EGR closed valve voltage lower than
expected
332
R, C
Insufficient EGR flow detected
334
O, R, C
EGR closed valve voltage high
335
O
EGR sensor circuit voltage higher or lower
than expected during self-test
336
R, C
EGR sensor circuit voltage higher than
expected
336
R, C
(Trucks ONLY): Exhaust pressure high
337
O, R, C
EGR sensor circuit above maximum voltage
338
C
(Cars ONLY): Engine Coolant temperature
(ECT) lower than expected
339
C
(Cars ONLY): Engine Coolant temperature
(ECT) higher than expected
341
R
(Cars ONLY): Octane adjust service pin
open
381
C
Erratic A/C compressor clutch cycling
411
R
Cannot control RPM during KOER low
RPM check
412
R
Cannot control RPM during KOER high
RPM check
415
*
Idle speed control system at minimum
learning limit
416
*
Idle air control system at maximum
learning limit
4