Dtc B1017: Power Supply Voltage Too Low - Suzuki SX4 Service Manual

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DTC Troubleshooting
Step
1
Was "Air Bag Diagnostic System Check Flow" performed?
2
SDM power supply voltage check
1) With ignition switch turned OFF, disconnect SDM
connector "L04".
2) Check for proper connection to SDM at "L04-27"
terminal.
3) If OK, run engine with more than 3000 rpm.
4) In this state, check voltage between "L04-27" terminal on
SDM connector and body ground.
Special tool
(A): 09932–76010
"L04-27"
Is measured voltage 15 V or less?
3
DTC B1016 recheck
1) With ignition switch turned OFF, reconnect SDM
connector.
With ignition switch turned ON, is DTC B1016 still indicated?
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to "DTC Clearance", if any.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.

DTC B1017: Power Supply Voltage too Low

Wiring Diagram
Refer to "DTC B1016: Power Supply Voltage too High".
DTC Detecting Condition and Trouble Area
DTC detecting condition
Power supply voltage is less than 7.2 V for more than 16
sec.
Action
(A)
I7RW01822016-01
Yes
Go to Step 2.
Go to Step 3.
Substitute a known-
good SDM and recheck.
Trouble area
• Charging system
• SDM
Air Bag System:
8B-26
No
Go to "Air Bag
Diagnostic System
Check Flow".
Check charging system
and repair as necessary
referring to "Generator
Test (Overcharged
Battery Check) in
Section 1J".
Intermittent trouble.
Check for intermittent
trouble referring to
"Inspection of
Intermittent and Poor
Connections" If OK,
substitute a known-
good SDM and recheck.
S7RW0A8204013
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