MX-5 NA Service ManualMX-5 NA

Torque Specs Tools Parts Diagrams

LIGHTING SYSTEM — Troubleshooting: Turn and hazard warning lights do not operate (U.S. spec.)

T-63prose procedureUnverified

U.S. specification only.

Troubleshooting

Symptom: Turn and hazard warning lights do not operate (U.S. spec.)

Turn and hazard warning lights do not operate (U.S. spec.)

1
Check HAZARD 15A fuse in the fuse box.
05U0TX-301
2
If the fuse is burned replace it. Check and repair the wire harness, if necessary.
3
If the fuse is OK, go to Step 2.

Step 2 — Check turn and hazard warning flasher unit

Check turn and hazard warning flasher unit

1
Remove the turn and hazard warning flasher unit.
05U0TX-302
2
Check continuity between terminals of the unit with an ohmmeter.
Set the ohmmeter to ×1000Ω range.
3
If not as specified, replace the flasher unit.
4
If the flasher unit is OK, reconnect the connector and go to Step 3.

Turn and hazard warning flasher unit terminal continuity

Terminal (+ / −)	Continuity
a — c	X
a — d	X
a — e	O
a — f	O
a — g	X
a — h	X
c — a	O
c — d	O
c — e	O
c — f	X
c — g	O
c — h	O
d — a	X
d — c	X
d — e	X
d — f	X
d — g	O
d — h	O
e — a	O
e — c	X
e — d	X
e — f	X
e — g	X
e — h	X
f — a	X
f — c	X
f — d	X
f — e	X
f — g	X
f — h	X
g — a	X
g — c	X
g — d	X
g — e	O
g — f	X
g — h	X
h — a	O
h — c	X
h — d	X
h — e	X
h — f	X
h — g	X

a — c

ContinuityX

a — d

ContinuityX

a — e

ContinuityO

a — f

ContinuityO

a — g

ContinuityX

a — h

ContinuityX

c — a

ContinuityO

c — d

ContinuityO

c — e

ContinuityO

c — f

ContinuityX

c — g

ContinuityO

c — h

ContinuityO

d — a

ContinuityX

d — c

ContinuityX

d — e

ContinuityX

d — f

ContinuityX

d — g

ContinuityO

d — h

ContinuityO

e — a

ContinuityO

e — c

ContinuityX

e — d

ContinuityX

e — f

ContinuityX

e — g

ContinuityX

e — h

ContinuityX

f — a

ContinuityX

f — c

ContinuityX

f — d

ContinuityX

f — e

ContinuityX

f — g

ContinuityX

f — h

ContinuityX

g — a

ContinuityX

g — c

ContinuityX

g — d

ContinuityX

g — e

ContinuityO

g — f

ContinuityX

g — h

ContinuityX

h — a

ContinuityO

h — c

ContinuityX

h — d

ContinuityX

h — e

ContinuityX

h — f

ContinuityX

h — g

ContinuityX

NOTE

O: Indicates continuity X: No continuity

Step 3

Check turn signal switch

1
Remove the knee protector, then disconnect the turn signal switch connector.
05U0TX-131
2
Check continuity between terminals of the switch.
3
If not as specified, replace the turn signal switch.
4
If the turn signal switch is OK, reconnect the connector and go to Step 4.

Turn signal switch continuity

Position	FU	TL	TR
Left	O	O
Right	O		O

Left

FUO

TLO

TR

Right

FUO

TL

TRO

NOTE

O—O: Indicates continuity

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