Mazda MX-5 Miata Sport 2007, Manual

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DTC C1148, C1158, C1168, C1178 [ABS]
DTC C1148, C1158, C1168, C1178 POSSIBLE CAUSE TABLE
speed sensor (-):
L-B

LR ABS wheel-
speed sensor
(+): G-A

LR ABS wheel-
speed sensor (-):
H-B

Is there continuity?
No Repair or replace the wiring harness,
then go to the next step.
3 VERIFY THAT THE
SAME DTC IS NOT
PRESENT

Clear the DTCs from
the memory.

(See CLEARING
DTCS
PROCEDURES
.)

Start the engine and
drive the vehicle at
10
km/h {6.2 mph} or
more.

Are the same DTCs
present?
Yes Repeat the inspection from Step 1.
If the malfunction recurs, replace the
ABS HU/CM, then go to the next step.
(See
ABS HU/CM
REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY THAT NO
OTHER DTCS ARE
PRESENT

Are any other DTCs
output?
Yes Go to the applicable DTC inspection.
(See
DTC Table .)
No DTC troubleshooting completed.
DTC
C1148
RF ABS wheel-speed
sensor/ABS sensor rotor system
C1158
LF ABS wheel-speed
sensor/ABS sensor rotor system
C1168
RR ABS wheel-speed
sensor/ABS sensor rotor system
C1178
LR ABS wheel-speed
sensor/ABS sensor rotor system
DETECTION CONDITION

Vehicle wheel speed signals
of any of the four vehicle
2007 Mazda MX-5 Miata Sport
2007 BRAKES On-Board Diagnostic (ABS) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:17:55 PM Page 25 © 2005 Mitchell Repair Information Company, LLC.