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PGM-FI System
MIL Circuit Troubleshooting (cont'd)
16. Turn the ignition switch OFF, then turn it back ON
(II), and measure voltage between ECM/PCM
connector terminal A10 and body ground.
E C M / P C M C O N N E C T O R A (32P)
S C S ( B R N )
/
2
3
4
5
6
/
8
9
10
12 13 14 15
/
17 18 19 20 21
23
24
25 26 27
28 29 30
32
W i r e s i d e o f f e m a l e t e r m i n a l s
Is there about 5 V?
Y E S - G o to step 17.
NO —Repair short in the wire between the DLC and
the ECM/PCM (A10).B
17. Turn the ignition switch O F F , disconnect ECM/PCM
connector A (32P), then turn the ignition switch ON
(ID.
Does the MIL stay on?
Y E S —Repair short in the wire between the gauge
assembly and the ECM/PCM (A18).B
N O - S u b s t i t u t e a known-good ECM/PCM and
recheck (see page 11-5). If the symptom/indication
goes away, replace the original ECM/PCM. •
11-94
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Table of Contents
Troubleshooting
