Mazda CX-9 Grand Touring 2009 Manual page 1926

Inspection procedure
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 A (wiring harness-
side).
Is the voltage approx. 12 V?
INSPECT FUSE
2
Turn the headlight switch to the OFF
position.
Remove the H/L LOW R 15 A fuse or H/L
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES Lighting Systems - Mazda CX-9
Fig. 12: Identifying Relay & Main Fuse Block
Courtesy of MAZDA MOTORS CORP.
INSPECTION ACTION
Yes
No Go to the next step.
Yes
Go to Step 6.
Go to the next step.