BE/Body Electrical System, page 38

BE-38
BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges

SECTION
TROUBLE

A
Speedometer
No display at all

Only speedometer?
Yes
Replace
No

①Fuse GAUGE
(7.5A) OK?
No
Replace
Display?
Yes
No
Yes

Fuse blows with meter disconnected
Fuse blows
No
Yes

Check vehicle side

③With the ignition S/W at ON position, check that there is 4.0 — 6.0V at terminal FV of fuel sender gauge.

Display when other meters disconnected?
No
OK
No
Yes
Replace speedometer

④With the ignition S/W at ON position, check that there is 4.0 — 6.0V between terminals 2 and 6 of tachometer connector.
No
OK

⑤Check for short between terminal VDD and body ground of each meter.

Short
Replace bad gauge

Remove meter and connector sub-harness(SST)

②With the ignition S/W at ON position, check that there is battery voltage between terminals 8 and 16 of sub-harness (SST).
No
Bad wiring between fuse and meter
OK

Only speedometer display when other meters disconnected?
No
Replace speedometer
Yes

Connect meters one by one and check when speedometer display goes out.

Replace bad gauge