Mazda MX-5 Miata Sport 2007 Manual page 1637

Fig. 15: Identifying Discharge Headlight System Terminal layout
Courtesy of MAZDA MOTORS CORP.
INSPECTION PROCEDURE
STEP
INSPECT POWER SUPPLY CIRCUIT OF
DISCHARGE HEADLIGHT CONTROL
MODULE
Disconnect the discharge headlight control

module connector.
1
Turn the headlight switch to the

HEADLIGHT (LO) position.
Measure the voltage at discharge headlight

control module terminal C (wiring harness-
side).
Is the voltage approx. 12 V ?

INSPECT FUSE
Turn the headlight switch to the OFF

position.
2
Remove the HEAD LOW R 15 A fuse (RH)

or HEAD LOW L 15 A fuse (LH).
Inspect the fuses.

Are the fuses normal?

2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Lighting Systems - MX-5 Miata
INSPECTION ACTION
Yes Go to Step 6.
No Go to the next step.
Yes Go to the next step.
No Replace the fuse.