Drl Unit; Voltage Test; Continuity Test - Mazda MX-5 1990 Workshop Manual

T
d
T-18
05UOTX-025
CZJ
@
05UOTX-274
RELAY
DRL UNIT
Inspection
Voltage test
Note
• While performing the following voltage tests, apply
12V to terminal j and ground terminal i.
1. Apply 12V to terminal c, and measure the voltage at termi-
nals d and k.
Terminal Voltage
d
12V
k 12V
2. If not as specified, replace the DRL unit.
3. Remove the 12V from terminal c.
4. Apply 12V to terminals f and h, and measure the voltage
at terminals d and k.
Terminal
Voltage
d
12V
k 12V
5. If not as specified, replace the DRL unit.
6. Remove the 12V from terminals f and h.
7. Ground terminal b, and measure the voltage at terminals
d and k.
Terminal Voltage
d
12V
k 12V
8. If not as specified, replace the DRL unit.
Continuity test
1. Check for continuity between terminals of the DRL unit.
Terminal
Continuity
d-f
Yes
h-k
Yes
2. If not as specified, replace the DRL unit.