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Home >> Ford >> 1989 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> 2.9L CEC Tests W/Codes >> Quick Test >> Key On Engine Running (KOER) Codes
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Key On Engine Running (KOER) Codes

KEY ON/ENGINE RUNNING (KOER) CIRCUIT TEST MENU

Code No. Go To: Circuit Test No. (Step No.)
12 D5  (1)
13 D5  (13)
18 D13  (1)
21 B5  (1)
22 B6  (7)
23 B8  (1)
24 B2  (1)
25 B7  (1)
41 C1  (10)
42 C1  (22)
72 B6  (10)
73 B8  (10)
74 B14  (7)
77 D10  (1)
98 (1)
No Codes, Codes Not Listed D14  (1)
(1) If Code 98 is displayed, go back and perform KEY ON/ENGINE OFF (KOEO) SELF-TEST and obtain a Code 11 for KEY ON/ENGINE OFF SELF-TEST portion of QUICK TEST.