7B-73 Air Conditioning System: Automatic Type
DTC B1557: VSS Signal Failure
S6RW0C7224023
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC B1561: ECT Signal Failure
S6RW0C7224024
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC detecting condition
Trouble area
HVAC control module receives invalid data of VSS signal from BCM.
• VSS circuit
• VSS
• HVAC control module
Step
Action
Yes
No
1
Was “Air Conditioning System Check” performed?
Go to Step 2.
Go to “Air Conditioning
System Check”.
2
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check DTC in ECM.
Is DTC P0500 detected?
Go to applicable DTC
diag flow.
Substitute a known-
good HVAC control
module and recheck.
DTC detecting condition
Trouble area
HVAC control module receives invalid data of ECT signal from BCM.
• ECT sensor circuit
• ECT sensor
• HVAC control module
Step
Action
Yes
No
1
Was “Air Conditioning System Check” performed?
Go to Step 2.
Go to “Air Conditioning
System Check”.
2
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 recheck.
Summary of Contents for 2006 SX4
Page 2: ......
Page 6: ......
Page 22: ...00 15 Precautions...
Page 38: ...0B 7 Maintenance and Lubrication...
Page 378: ...1K 6 Exhaust System...
Page 848: ...6C 46 Power Assisted Steering System...
Page 954: ...7B 89 Air Conditioning System Automatic Type...
Page 1086: ...8B 121 Air Bag System...
Page 1381: ...Paint Coatings 9L 7 I5RW0C9C0005 01 A Apply sealant 1 Hole...
Page 1382: ...9L 8 Paint Coatings I5RW0C9C0006 01 A Apply sealant covering flange end...
Page 1476: ...Prepared by 1st Ed Feb 2007...