Turn And Hazard Warning Lights Do Not Operate (Canada Spec.) - Mazda MX-5 1990 Workshop Manual

LIGHTING SYSTEM
T
Symptom: Turn and hazard warning lights do not operate (Canada spec.).
HAZARD 15A
05UOTX-306
9MUOTX-166
05UOTX·133
Step 1
1. Check HAZARD 15A fuse in the fuse box.
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
1. Remove the turn and hazard warning flasher unit.
2. Check continuity
betwe~n
terminals of the unit with an
ohmmeter.
Note
• Set the ohmmeter to x 10000 range.
Terminal
Continuity
Terminal
Continuity
Terminal
Continuity
+
I
-
+
I
-
+
I
-
a-c X d-e X
f - g
X
a-d X
d -
f X f -
h
X
a-e 0 d-g X g-a X
a-f
0
d-h
X
g-c
X
a-g
X
e-a
X
g-d
X
a-h
X
e-c
X g-e X
c-a
0
e-d
X
g - f
X
c-d 0
e-f
X g-h X
c-e 0 e-g X h-a 0
c-f 0 e-h X h-c 0
c-g 0 f - a X h-d 0
c-h 0 f-c X h-e 0
d-a
X
f - d X h - f 0
d-c X f - e X h-g
0
0: Indicates continuity X: No continuity
3. If not as specified, replace the flasher unit.
4. If the flasher unit is OK, reconnect the connector and go
to Step 3.
Step 3 - Check turn signal switch
1. Remove the column cover, then disconnect the turn signal
switch connector.
2. Check for continuity between terminals of the switch.
~ ~
ermlna
FU TL TR
Left
0 -0
Right
0 -0
0--0: Indicates continuity
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.
T-65