Suzuki WagonR+ RB310 Service Manual page 3044

DIAGNOSTIC FLOW TABLE
DTC 21: DRIVER AIR BAG INITIATOR CIRCUIT RESISTANCE HIGH
STEP
1 Was item "AIR BAG SYSTEM CHECK
FLOW TABLE" described in this section
performed?
2 1) With ignition switch OFF, disconnect
contact coil connector located near the
base of the steering column.
2) Check proper connection to contact coil
at terminals in Q01 connector.
3) If OK then connect Special Tools to
"G" terminal and "G/R" terminal of Q01
connector. (See figure below.)
With ignition switch ON, is DTC 21 current?
3 1) With ignition switch OFF, disconnect
SDM connector.
2) Check proper connection to SDM at
terminals Q06-26 and Q06-27.
3) Release shorting bar in SDM connector
by inserting Special Tool (A).
(See figure below.)
4) If OK then measure resistance between
Q06-26 and Q06-27 terminals with
connected Special Tools.
Is resistance 5.1 Ω or less?
4 1) With ignition switch OFF, disconnect
Special Tools then reconnect contact coil
connector located near the base of the
steering column.
2) Remove driver air bag (inflator) module
from steering wheel (Refer to SECTION
3C).
3) Check proper connection to driver air
bag (inflator) module at terminals.
4) If OK then connect Special Tools to driver
air bag (inflator) module connector.
With ignition switch ON, is DTC 21 current?
Fig. for STEP 2 and 3
1. G / R wire tarminal
2. G wire terminal
Special Tool
(A): 09932-76010
(B): 09932-75010
(C): 09932-78310
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (Refer to "Diagnostic Trouble Code (DTC) Clearance"), if any.
3) Repeat "Air Bag Diagnostic System Check" in this section to confirm that the trouble has been cor-
rected.
ACTION
Fig. for STEP 3
YES
Go to step 2.
Go to step 3.
Substitute a known-
good SDM and recheck.
1) Ignition switch OFF.
2) Replace contact coil
assembly (Refer to
SECTION 3C).
Fig. for STEP 4
(A)
(A) (A)
AIR BAG SYSTEM 10B-27
NO
Perform "AIR BAG
SYSTEM CHECK FLOW
TABLE" in this section.
Go to step 4.
Repair high resistance or
open in "G" or "G/R" wire
circuit.
1) Ignition switch OFF.
2) Replace driver air bag
(inflator) module (Refer
to SECTION 3C).
(C)
(B)
(A)