Suzuki SY413 Service Manual page 2518

CODE 31 – POWER SOURCE VOLTAGE HIGH (Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform "AIR BAG DIAGNOSTIC CHECK FLOW TABLE".
STEP
1 1) With ignition switch OFF, disconnect SDM.
2) Check proper connection to SDM at "A16" ter-
minal.
3) If OK then ignition switch ON, and then check
voltage from "A16" terminal on SDM harness
connector to body ground.
Is voltage 14 V or less?
2 With ignition switch OFF, reconnect SDM.
With ignition switch ON, is DTC 31 current?
Fig. for STEP 1
Special Tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform the following procedure.
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 FLOW TABLE" to confirm that the trouble has been
corrected.
ACTION YES
Go to Step 2.
Substitute a known-
good SDM and re-
check.
AIR BAG SYSTEM 9J-49
NO
Check Charging System
and repair as necessary.
(Refer to "CHANGING
SYSTEM" in Section
6H.)
Check Charging System
and repair as necessary.
(Refer to "CHANGING
SYSTEM" in Section
6H.)