Headlight Retractor Motors Do Not Operate (Both Sides) - Mazda MX-5 1990 Workshop Manual

LIGHTING SYSTEM
T
Symptom: Headlight retractor motors do not operate (both sides).
Note
• Before troubleshooting verify the symptom by activating the headlight switch and retractor
switch.
• Check the system using the appropriate troubleshooting below.
Switch Retractor motor(s) operate Action
Headlight switch ON
Retractor switch ON
HEAD 30A
tr--_I-_I-MAIN FUSE
BLOCK
05UOTX-097
05UOTX-098
05UOTX-099
_._-----
Yes Begin troubleshooting from Step 5
No Next, turn ON retractor switch
Yes Begin troubleshooting from Step 4
No Begin troubleshooting from Step 1
05UOTX-096
Step 1
1. Check RETRACT 30A and HEAD 30A fuses in the main fuse
block.
2. If a fuse is burned, replace it. Check and repair the wire
harness, if necessary.
3. If the fuses are OK, go to Step 2.
Step 2
1. Retract the headlights fully using the manual knobs.
2. Disconnect the retractor motor connectors.
3. Turn on the headlight switch and retractor switch.
4. Measure the voltage at the following terminal-wires of the
retractor motor connectors.
Retractor motor Wire Voltage Action
Left and Right
(R/y)
12V Go to Step 3
OV Go to Step 4
Step 3
1. Disconnect the retractor motor connectors.
2. Check for continuity between terminal-wire (8) of the retractor
motor connectors and a body ground.
Retractor motor Continuity Action
No
Repair wire (8)
Left and Right
Yes
Check retractor motor
(Refer to page T -56)
T-51