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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 529 (On-Board Diagnostic [Air Bag System)) >> DTC 07: Passenger-Side Air Bag Module System >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC 07 - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT SEPARATOR (1)  OF PASSENGER-SIDE AIR BAG MODULE CONNECTOR 
WARNING:
  • Handling air bag system components improperly can accidentally deploy air bag modules and pre-tensioner seat belt, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling air bag system components.

    (See AIR BAG SYSTEM SERVICE WARNINGS )

  • Turn ignition switch to LOCK position.
  • Disconnect negative battery cable and wait for more than 1 minute. 
  • Remove glove compartment.
  • Disconnect passenger-side air bag module connector.
  • Is separator(1) of passenger-side air bag module connector okay?

(1) Consists of two parts of female connector that separate short bar from terminal when connected to male connector.

Yes Present malfunction diagnosis: 
  • Go to next step.

Past malfunction diagnosis: 

  • Go to Step 3.
No Replace wiring harness.
2 VERIFY WHETHER MALFUNCTION IS IN PASSENGER-SIDE AIR BAG MODULE OR OTHER PARTS 
  • Connect leads of SST  (Fuel And Thermometer checker) or apply 2 ohms  resistor to passenger-side air bag module connector terminals A and B.
  • Set resistance of SST  (Fuel And Thermometer checker) to 2 ohms. 
  • Connect negative battery cable.
  • Turn ignition switch to ON position.
  • Is DTC 07 indicated?
 Yes Go to next step.
No Replace passenger-side air bag module.
(See PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION )
3 INSPECT WIRING HARNESS BETWEEN PASSENGER-SIDE AIR BAG MODULE AND SAS CM 
  • Turn ignition switch to LOCK position.
  • Disconnect negative battery cable and wait for more than 1 minute. 
  • Remove driver- and passenger-side quarter trims.
  • Disconnect driver- and passenger-side pre-tensioner seat belt connectors.
  • Remove dashboard.

    (See DASHBOARD REMOVAL/INSTALLATION .)

  • Disconnect SAS CM connector.
  • Inspect following wiring harness between SAS CM and passenger-side air bag module terminals (harness side) for short to ground, short to power supply, and open circuit:
    • I and A
    • K and B
  • Are wiring harnesses okay?
 Yes Present malfunction diagnosis: 

Past malfunction diagnosis: 
No Replace wiring harnesses.
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