Mazda CX-7 2007 Workshop Manual page 1253

Diagnostic procedure
STEP
1 INSPECT SEAT TRACK POSITION SENSOR
CIRCUIT
• Using the M-MDS, verify the following PID/
DATA monitor.
(See 08-02-8 PID/DATA MONITOR TABLE.)
— TRAK_SW
• Is the seat track position sensor circuit
normal?
2 INSPECT WIRING HARNESS BETWEEN
SEAT TRACK POSITION SENSOR AND SAS
CONTROL MODULE
Warning
• Handling the air bag system
components improperly can
accidentally deploy the air bag
modules and pre-tensioner seat belts,
which may seriously injure you. Read
the service warnings and cautions
before handling the air bag system
components.
(See 08-10-3 AIR BAG SYSTEM
SERVICE WARNINGS.)
(See 08-10-5 AIR BAG SYSTEM
SERVICE CAUTIONS.)
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and
wait for 1 min or more.
• Remove the column cover. (See 09-17-8
COLUMN COVER REMOVAL/
INSTALLATION.)
• Disconnect the clock spring connector.
• Remove the glove compartment.(See 09-17-
8 GLOVE COMPARTMENT REMOVAL/
INSTALLATION.)
• Disconnect the passenger-side air bag
module connector.
• Disconnect the driver and passenger-side
seat connectors.
• Remove the C-pillar trim. (See 09-17-17 C-
PILLAR TRIM REMOVAL/INSTALLATION.)
• Remove the D-pillar trim. (See 09-17-18 D-
PILLAR TRIM REMOVAL/INSTALLATION.)
• Disconnect the driver and passenger-side
curtain air bag module connector.
• Remove the B-pillar lower trim. (See 09-17-
16 B-PILLAR LOWER TRIM REMOVAL/
INSTALLATION.)
• Disconnect the driver and passenger-side
pre-tensioner seat belt connectors.
• Remove the console. (See 09-17-13
CONSOLE REMOVAL/INSTALLATION.)
• Disconnect the SAS control module
connector.
• Disconnect the seat track position sensor
connector
• Inspect the wiring harness between SAS
control module terminal and seat track
position sensor terminals for short to ground,
short to power supply, and open circuit:
— 2W— C
— 2X— A
• Is the wiring harness normal?
ON-BOARD DIAGNOSTIC
INSPECTION
Yes [Present malfunction diagnosis]
• Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
[Past malfunction diagnosis]
• DTC troubleshooting completed.
No Go to the next step.
Yes Replace the seat track position sensor, then go to the next
step.
No Replace wiring harness, then go to the next step.
ACTION
08-02–51
08-02