Mazda CX-7 2007 Workshop Manual page 1257

STEP
5 CONFIRM THAT MALFUNCTION SYMPTOMS
DO NOT RECUR AFTER REPAIR
• Turn the ignition switch to LOCK position.
• Disconnect the negative battery cable and
wait for 1 min or more.
• Connect all SAS control module connectors.
• Connect the driver and passenger-side
pre-tensioner seat belt connectors.
• Connect the driver and passenger-side
curtain air bag module connectors.
• Connect the driver and passenger-side front
seat connectors.
• Connect the passenger-side air bag module
connector.
• Connect the clock spring connector.
• Connect the negative battery cable.
• Turn the ignition switch to ON position.
• Does the air bag system warning light
operate properly?
End Of Sie
NO.2 AIR BAG SYSTEM WARNING LIGHT ILLUMINATES CONSTANTLY
2 Air bag system warning light is illuminated constantly.
DETECTION Malfunction in air bag system warning light circuit (open circuit or short to power supply).
CONDITION
• Weak battery
• SAS control module malfunction
• Instrument cluster (circuit board) malfunction
• No connection in SAS control module connector
• Poor contact in instrument cluster connector (20-pin)
POSSIBLE
• Open or short to power supply circuit in wiring harness between instrument cluster and SAS control
CAUSE
module
• Poor contact at terminals 1X and/or 1W of SAS control module connector
• Poor contact in wiring harness between terminal 1X of SAS control module connector and ground
• Poor contact in wiring harness between battery and terminal 1W of SAS control module
Diagnostic Procedure
STEP
1 INSPECT BATTERY
• Measure the voltage of battery.
• Is the voltage 9 V or more?
SYMPTOM TROUBLESHOOTING
INSPECTION
INSPECTION
Yes Complete troubleshooting, then explain repairs to customer.
No Recheck malfunction symptoms, then repeat from Step 1 if
malfunction recurs.
Yes Go to the next step.
No Battery is weak.
Inspect charge/discharge system, then go to Step 10.
(See 01-17-2 BATTERY INSPECTION[L3 WITH TC].)
ACTION
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ACTION
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