Mazda 323 1988 Workshop Manual page 927

15 METER (INCL. SENDER UNITS)
Engine Oil Pressure Warning Light
1. Disconnect the connector from the oil pressure
switch.
2. Start the engine, connect the connector terminal
"YR" to a body ground.
3. Check that the "OIL" warning light illuminates, If
it does not illuminate replace sender switch or
repair wiring harness, if bulb is not burnt out.
Stop Light Malfunction Warning Light
1, Disconnect the connector from the light checker
relay.
2. Connect the connector terminal "C" to body
ground.
3. Start the engine and check that the STOP LIGHT
warning light illuminates If it does not illuminate and
bulb is not burned out, replace switch, or stop light
checker, or repair wiring harness. (Also refer to
page 15-l 1, 15-43)
Stop Light Checker
1. Check the conductivity between the terminals by
using an ohmmeter.
Note
a) Set the tester to Xl 0000 range.
b) "Conductive" includes state with
resistance and "Non conductive" means in-
sulated.
Washer Fluid Warning Light
1. Disconnect the connector from the washer fluid lev-
el sensor.
2. Start the engine, with a jumper wire connect the
connector terminal, a (G) to a body ground.
3. Check that the washer fluid warning light ii-
luminates.
If it does not illuminate and bulb is not burnt out,
replace fluid level sensor or repair wiring harness.