Headlight Relay (U.s. Spec.) - Mazda MX-5 1990 Workshop Manual

LIGHTING SYSTEM
T
05UOTX-113
05UOTX-114
05UOTX-116
05UOTX-117
Canada spec.
1. Remove the column cover and disconnect the headlight
switch connectors.
2. Check for continuity between terminals of the switch.
Position
Terminal
H8 HL HU 8A 8TN TNS
0 Q 0- -0
Low beam
Headlight
0 -0
0- -0 0- -0
High beam
0 -0
Passing
..
0- -0
Tail, Parking
0-
f-O
0---0:
Indicates continuity
Headlight relay (U.S. spec.)
1. Check continuity between terminals 3 and 4.
Terminal Continuity
3-4
No
2. If not as specified, replace the headlight relay.
3. If correct, go to Step 4.
4. Apply 12V to terminal 1 and ground terminal 2.
Check for continuity between terminals 3 and 4.
Terminal Continuity
3-4
Yes
5. If not as specified, replace the headlight relay.
Headlight retractor relay
1. Check continuity between terminals of the relay.
Terminal Continuity
1-4
Yes
2-4
No
3-5
Yes
2. If not as specified, replace the retractor relay.
3. If correct, go to Step 4.
4. Apply 12V to terminal 3 and ground terminal 5.
Check continuity between terminals of the relay.
Terminal
Continuity
1-4
No
2-4
Yes
5. If not as specified, replace the retractor relay.
T-57