DIAGNOSTIC PROCEDURE
DTC C1186, C1266 DIAGNOSTIC PROCEDURE TABLE
STEP
INSPECTION
ACTION
1
INSPECT ABS FUSE
CONDITION
Is the ABS 30 A fuse
normal?
Yes
Go to the next step.
No
Replace the fuse, then go to Step 3.
2
INSPECT VALVE
RELAY POWER SUPPLY
FOR OPEN CIRCUIT
Turn the ignition
switch off.
Disconnect ABS
HU/CM connector.
Turn the ignition
switch to the ON
position (engine off).
Measure voltage
between ABS HU/CM
terminal C (harness-
side) and ground.
Is voltage
B+?
Yes
Go to the' next step.
No
Repair or replace the wiring harness for
open circuit between battery positive
terminal and DSC HU/CM terminal C,
then go to the next step.
2007 Mazda MX-5 Miata Sport
2007 BRAKES On-Board Diagnostic (ABS) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:17:55 PM
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