Suzuki SWIFT RS415 2017, Service Manual

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8B-10 Air Bag System:
Diagnostic Information and Procedures
Air Bag Diagnostic System Check
S4RS0A8204001
WARNING:
To avoid deployment when troubleshooting
the air bag system, do not use electrical test
equipment such as a battery powered or AC
powered voltmeter, ohmmeter, etc., or any
type of electrical equipment other than that
specified in this manual. Do not use a non-
powered probe type tester.
Instructions in this manual must be followed
carefully, otherwise personal injury may
result.
CAUTION:
The order in which DTCs are diagnosed is
very important. Failure to diagnose the DTCs
in the order specified may result in extended
diagnostic time, incorrect diagnosis and
incorrect parts replacement.
The diagnostic procedures used are designed to find
and repair air bag system malfunctions.
To get the best results, it is important to use the
diagnostic flow and follow the sequence in the following.
1) Perform the “Air Bag Diagnostic System Check
Flow: ”.
(The “Air Bag Diagnostic System Check Flow: ” must
be the starting point of any air bag system diagnosis.
The “Air Bag Diagnostic System Check Flow: ”
checks for proper “AIR BAG” warning lamp operation
through “AIR BAG” warning lamp and whether air
bag DTCs exist.)
2) Refer to the proper diagnostic flow as directed by the
“Air Bag Diagnostic System Check Flow: ”.
(The “Air Bag Diagnostic System Check Flow: ” will
lead you to the correct flow to diagnose any air bag
system malfunctions. Bypassing these procedures
may result in extended diagnostic time, incorrect
diagnosis and incorrect parts replacement.)
3) Repeat the “Air Bag Diagnostic System Check Flow:
” after any repair or diagnostic procedures have
been performed.
(Performing the “Air Bag Diagnostic System Check
Flow: ” after all repair or diagnostic procedures will
ensure that the repair has been made correctly and
that no other malfunctions exist.)
Air Bag Diagnostic System Check Flow
S4RS0A8204087
Flow test description
Step 1:
Check that “AIR BAG” warning lamp lights.
Step 2: Check that “AIR BAG” warning lamp lights.
Step 3: Check that “AIR BAG” warning lamp flashes 6 times after ignition switch is turned ON.
Step 4: Check that history codes are in SDM memory.
Step 5: Check that current code is in SDM memory.
1. Passenger air bag (inflator) module 8. Side-air bag (inflator) module (if equipped) 15. “AIR BAG” warning lamp
2. Driver air bag (inflator) module 9. Ground for air bag system : 23 N
˜
m (2.3 kg-m, 16.5 lb-ft)
3. Contact coil assembly 10. SDM : 9 N
˜
m (0.9 kg-m, 6.5 lb-ft)
4. Air bag harness in main harness 11. side-sensor (if equipped) : 35 N
˜
m (3.5 kg-m, 25.5 lb-ft)
5. Forward-sensor 12. Seat belt pretensioner : 5.5 N
˜
m (0.55 kg-m, 4.0 lb-ft)
6. “A/BAG” fuse in junction block assembly (including BCM) 13. Side curtain-air bag (inflator) module (if equipped)
7. Air bag harness in floor harness 14. Air bag harness in instrument panel harness
Step Action Yes No
1 1) Make sure that battery voltage is about 11 V or higher.
2) Note “AIR BAG” warning lamp as ignition switch is
turned ON.
Does “AIR BAG” warning lamp come ON when ignition
switch is turned ON?
Go to Step 2. Proceed to ““AIR BAG”
Warning Lamp Does
Not Come ON: ”.
2 Does “AIR BAG” warning lamp come ON steady? Proceed to ““AIR BAG”
Warning Lamp Comes
ON Steady: ”. Go to Step 3.
3 Does “AIR BAG” warning lamp turn OFF, after flashing 6
times? “AIR BAG” warning
lamp circuit is in good
condition. Go to Step 4. “AIR BAG” warning
lamp circuit is in good
condition. Go to Step 5.