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Automatic Transmission
Interlock System - Shift Lock System Circuit Troubleshooting
1. Press the brake pedal.
Are the brake lights
ON?
Y E S - G o t o step 2.
NO— Repair faulty brake light circuit (see page 2 2 -
91). •
2. T u r n the ignition switch ON (II), and shift t o 00
position.
3. Press the brake pedal, and release the accelerator
pedal.
4. Measure the voltage between the A28 terminal and
body g r o u n d .
P C M C O N N E C T O R A ( 3 2 P )
/
2
3
4
5 6
/
8
9
10
/
12
13 14 15 16 17 18 19 20 21
23
24
25 26 27
28 29
30
32
I L U ( W H T / R E D )
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 battery
voltage?
Y E S — G o t o step 5.
N O - G o t o step 8.
5. Measure the voltage between the B12 terminal of
the multiplex control unit, driver's B (22P)
connector and body ground w i t h the throttle
released and the brake pedal pressed.
M U L T I P L E X C O N T R O L U N I T ,
D R I V E R ' S B ( 2 2 P ) C O N N E C T O R
1
/
3
4
5
6
7
8
9
11 12 13 14 15 16
X
/ / / /
2 2
I L U ( W H T / R E D )
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 battery
voltage?
Y E S - G o t o step 6.
NO—Repair open in the w i r e between the A28
terminal of the PCM and B12 terminal of the driver's
multiplex control u n i t . B
6. Measure the voltage between the B22 terminal of
the multiplex control unit, driver's B (22P)
connector and body g r o u n d .
M U L T I P L E X C O N T R O L U N I T ,
D R I V E R ' S B ( 2 2 P ) C O N N E C T O R
1
/
3
4
5
6
1
8
9
11 12 13 14 15 16
X
/ /
/ /
2 2
S H I F T L O C K S O L E N O I D ( G R N )
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 battery
voltage?
Y E S - G o t o step 7.
NO —Repair open in the w i r e between the B22
terminal of the driver's multiplex control unit and
the driver's under-dash fuse No. 9 (via the shift lock
s o l e n o i d ) . •
14-96
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Table of Contents
Troubleshooting
