FixVault

KOEO Code/Test Menu

WARNING: This page is about a different car, the 1989 Mercury Grand Marquis, 1989 Lincoln Town Car, 1989 Lincoln Mark VII, 1989 Ford Mustang, and 1989 Ford LTD Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Service Code Definitions - 5.0L SEFI (EXCEPT MA)
G112615
Fig 2: Service Code Definitions - 5.0L MA SEFI
G112616
KOEO SELF-TEST - CIRCUIT TEST & STEP MENU

Code No. Go To: Circuit Test No. (Step No.)
15 D15  (3)
19 (SEFI) D17  (1)
21 B5  (1)
22 B6  (1)
23 B8  (1)
24 B2  (1)
26 (MA SEFI) B3  (1)
31 D11  (1)
34 D11  (12)
35 B10  (5)
51 B5  (5)
53 B8  (3)
54 (SEFI) B2  (10)
56 (MA SEFI) B3  (10)
61 B5  (7)
63 B8  (6)
64 B2  (7)
66 (MA SEFI) B3  (6)
67 B13  (1)
79 B13  (9)
81 D3  (8)
82 D3  (8)
84 B11  (8)
85 D4  (6)
87 C2  (7)
95 (MA SEFI) C2  (12)
96 (MA SEFI) C2  (18)