Toyota Celica Supra 1986 Service And Repair Manual page 667

BODY ELECTRICAL SYSTEM - Trip Computer
BE-119
TEST TROUBLE
B
MPG indication always Zero.
T '
ad' .
"ARRIVE" ode
·ncr " "
I
np re mg mcreases or m
1 ICIUts .. .. .. ...
a ways.
Is MPG indication always zero?
(No
Replace DISPLAY CLUSTER.
_l
Yes
Disconnect 14 ·terminal connector.
<D
With the ignition switch at ON position, does voltage between terminals f and GND of the
14-terminal connector fluctuate between 0 to SV when vehicle is mOiled about 1 meter?
(engine not running)
No
Yes
Is there continuity speed sensor and
Replace DISPLAY CLUSTER.
wire harness?
Yes
No
Replace Keyboard.
I
I
Repair and replace speed sensor and wire harness.
I
14-terminal
Conn~tor
of COMPUTER