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Home >> Suzuki >> 2013 >> Kizashi Base, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Start System >> Diagnostics Information and Procedures >> DTC B1122: Backup Power Supply Malfunction >> DTC Troubleshooting
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DTC Troubleshooting

DIAGNOSIS PROCEDURE

Step Action YES NO
Fuse check 
  1. Confirm that ignition mode of keyless push start system is "OFF".
  2. Check "BCM" fuse.

Is it in good condition? 
Replace keyless start control module and recheck DTC, see KEYLESS START CONTROL MODULE REMOVAL AND INSTALLATION . Replace "BCM" fuse, and go to Step 2.
DTC check 
  1. Push engine switch to change ignition mode to "ON".
  2. Check DTC, see DTC CHECK .

Is DTC B1122 still detected? 
Replace "BCM" fuse and keyless start control module, and recheck DTC, see KEYLESS START CONTROL MODULE REMOVAL AND INSTALLATION . End.