BE/Body Electrical System, page 40

BE-40
BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges

SECTION
TROUBLE

B
Speedometer
Speedometer displays [0] while driving

Does trip meter operate?
No
Does trip meter operate with meter disconnected and cable turned?
Yes
Yes
No

Check total counter

Remove meter and connect sub-harness (SST)
• Check cable
• Check drive and driven gears

① With the ignition S/W at ON position, check that there is 4.0 — 6.0V between terminals 1 and 3 of connector for speed sensor (total counter).
No
④ With the ignition S/W at ON position, check that there is 4.0 — 6.0V between terminals 1 and 3 of speedometer with connector removed.

OK
No
OK

Replace speed sensor

② With the ignition S/W at ON position, does voltage between terminals 1 and 2 of speed sensor connector fluctuate between 0 — 5.0V when meter cable is turned?
4.0 — 6.0V
0 — 1V
Yes
Replace speedometer

No

③ With the ignition S/W at ON position, and speed sensor disconnected, does display appear when terminals 1 and 2 of speedometer are connected and disconnected?
No

Yes

Replace speed sensor