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Home >> Suzuki >> 2013 >> Kizashi Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Keyless Start System) >> Diagnostics Information and Procedures >> DTC B1137: Brake Light Switch Malfunction >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE

Step Action YES NO
1  DTC check 
  1. Check DTC in ECM, see DTC Table .

Is DTC P0504 detected? 		 Go to troubleshooting for applicable DTC. Go to Step 2.
2  Brake light switch signal circuit check 
  1. Push engine switch to change ignition mode to "OFF".
  2. Disconnect brake light switch, "C01", "E01" and "L01" connectors.
  3. Check for proper terminal connection to brake light switch, "C01", "E01" and "L01" connectors.
  4. If connections are OK, check that resistance of "A1" circuit: less than 3 Ω

Is it in good condition? 		 Replace keyless start control module and recheck DTC, see Keyless Start Control Module Removal and Installation .. Repair or replace defective wire harness.
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