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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (On-Board Diagnostic (Air Bag System - Standard Deployment Control System)) >> DTC 37: Passenger-Side Side Air Bag Module System >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - DTC 37

STEP INSPECTION ACTION
1 Is vehicle equipped with side air bag? Yes Go to the next step.
No Go to Step 5.
2 INSPECT SEPARATOR  (1)  OF PASSENGER-SIDE SIDE AIR BAG MODULE CONNECTOR 
WARNING:
  • Handling the air bag system components improperly can accidentally deploy the air bag modules and pre-tensioner front buckles, which may seriously injure you. Read the service warnings before handling the air bag system components.

    (See SERVICE WARNINGS .)

    (See SERVICE CAUTIONS .)

  • Turn ignition switch to LOCK position.
  • Disconnect negative battery cable and wait for 1 min or more  .
  • Disconnect passenger-side side air bag module connector.
  • Is separator (1) of passenger-side side air bag module connector normal?

(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 the next step.

Past malfunction diagnosis: 
  • Go to Step 4.
No Replace wiring harness.
3 VERIFY WHETHER MALFUNCTION IS IN PASSENGER-SIDE SIDE AIR BAG MODULE OR OTHER PARTS 
  • Connect leads of SST  (Fuel And Thermometer checker) or apply 2 ohms  resistor to passenger-side side air bag module 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 37 indicated?
 Yes Go to the next step.
No Replace passenger-side side air bag module. (See SIDE AIR BAG MODULE REMOVAL/INSTALLATION )
4 INSPECT WIRING HARNESS BETWEEN PASSENGER-SIDE SIDE AIR BAG MODULE AND SAS CONTROL MODULE 
  • Turn ignition switch to LOCK position.
  • Disconnect negative battery cable and wait for 1 min or more. 
  • Remove column cover.
  • Disconnect clock spring connector.
  • Remove glove compartment.
  • Disconnect passenger-side air bag module connector.
  • Disconnect driver-side side air bag module connector.
  • Remove driver- and passenger-side B-pillar lower trims.
  • Disconnect driver- and passenger-side pre-tensioner seat belt connectors.
  • Turn up floor covering.
  • Disconnect all SAS control module connectors.
  • Inspect following wiring harness between SAS control module and passenger-side side air bag module terminals (harness-side) for short to ground, short to power supply, and open circuit:
    • 1I and A
    • 1K and B
  • Are wiring harnesses normal?
 Yes Present malfunction diagnosis: 
Past malfunction diagnosis: 
No Replace wiring harnesses.
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