Toyota Celica Supra 1986 Service And Repair Manual page 664

BE·116
I'
BODY ELECTRICAL SYSTEM - Trip Computer
7·terminal Connector (of Wiring}
7-terminal Conne-ctor (of wiring)
?·terminal Connector (of
Wiring)
7-termlnal Connector {of Wiring}
?·terminal
(of Wiring)
INSPECTION OF WIRING CONNECTOR LINE
1.
INSPECT GROUND CONNECTION
Inspect the ground connection between terminal E and
body ground of the wiring connector.
If there is no voltage repair or replace the ECV fuse,
connector and wire harness.
2. INSPECT POWER SOURCE LINE TO CONNECTOR
(a) Inspect the battery voltage between terminals +B and
GND of the wiring connector.
If there is no voltage, repair or replace the ECV fuse, con·
nector and wire harness.
(b) Inspect tho battery voltage between terminals DIM
and GNO of the wiring connector with the light
switch tumed ON.
NOTE: The voltage is nearly equal to battery voltage.
(c) Inspect the battery voltage between terminals ACC
and GN 0 of the wiring connector with the ignition
switch at ACC or ON position.
NOTE: The voltage is nearly equal to battery voltage.
(d) Inspect the battery voltage between terminals VEFI
and GN 0 of the wiring connector with the ignition
switch at ON position.
NOTE: The voltage is nearly equal· to battery voltage.