Suzuki GRAND VITARA XL-7 Owner's Manual page 599

10B-22 AIR BAG SYSTEM
DIAGNOSTIC FLOW TABLE
Step
1 1) Make sure that SUZUKI scan tool is free from malfunc-
tion and correct cartridge for air bag system is used.
2) Ignition switch OFF.
3) Check proper connection of SUZUKI scan tool to DLC.
Is connection in good condition?
2 1) Check if communication is possible by trying communi-
cation with other control module (ECM, TCM (if
equipped) or ABS control module (if equipped)).
Is it possible to communicate with other control module?
3 1) With ignition switch OFF, disconnect SDM and "Q02"
connector.
2) Check proper connection at "Q02-8" ("PPL/RED" wire)
terminal for DLC.
3) If OK, then check resistance between "Q02-8" ("PPL/
RED" wire) terminal and "Q01-20" terminal of SDM
connector.
Is circuit short?
Fig. for STEP 3
NOTE:
Upon completion of inspection and repair work, perform following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.
Action
1. Air bag harness side connector
2. "PPL/RED" wire terminal
Special tool
(A) : 09932-75020
Yes
Go to step 2. Properly connect SUZUKI
scan tool to DLC.
Go to step 3. Repair open in common
section of serial data circuit
("PPL/RED" wire circuit)
used by all controllers or
short to ground or power
circuit which has occurred
some-where in serial data
circuit ("PPL/RED" wire cir-
cuit).
Substitute a Repair high resistance or
known-good open in "PPL/RED" wire
SDM and circuit (in air bag harness).
recheck.
No