Suzuki GRAND VITARA XL-7 Owner's Manual page 598

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Table E - SDM Cannot Communicate through The Serial Data Circuit

WIRING DIAGRAM

[A]: Air bag harness

1. From main fuse

2. Ignition switch

3. "IG METER" fuse

4. "AIR BAG" warning lamp in combination lamp

• Be sure to perform AIR BAG DIAGNOSTIC SYSTEM CHECK before starting diagnosis according to

• When measurement of resistance or voltage is required in this table, use a tester along with a cor-

rect terminal adapter from special tool (Connector test adapter kit).

• When a check for proper connection is required, refer to INTERMITTENT AND POOR CONNEC-

TIONS in this section.

• If there is open circuit in the air bag wire harness, connector or terminal is found damaged, replace

the wire harness, connector and terminal as an assembly.

TABLE TEST DESCRIPTION

STEP 1 : An improper connection to the data link connector (DLC) will prevent communications from being

established.

STEP 2 : This test checks whether it is possible to communicate with other control module.

STEP 3 : This test checks for an open in "PPL/RED" circuit (in air bag harness).

5. "AIR BAG" fuse

6. Connection detection pin

9. To ECM, TCM (if equipped) and ABS con-

trol module (if equipped)

10. "AIR BAG" monitor coupler

11. Ground for air bag system

12. Ground on body

13. Ground on Engine block

14. Immobilizer control module (if equipped)

AIR BAG SYSTEM 10B-21

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