LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Air Conditioning System - Auto A/C) >> Diagnostic Information and Procedures >> DTC B1561: ECT Signal Failure >> DTC Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Troubleshooting

WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
B1561: SYMPTOM TROUBLESHOOTING REFERENCE CHART

Step Action YES NO
Was "Air Conditioning System Check" performed?  Go to Step 2. Go to AIR CONDITIONING SYSTEM CHECK: AUTO A/C .
DTC check 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Check DTC in ECM.

Is DTC P0116, P0117 or P0118 detected? 
Go to applicable DTC diag. flow. Substitute a known-good HVAC control module and a known-good BCM individually and recheck.