Dtc B1556: Camshaft Position (Cmp) Sensor And/Or Its Circuit Malfunction; Dtc B1557: Wheel Speed Sensor And/Or Its Circuit Malfunction; Dtc B1561: Engine Coolant Temperature Sensor And/Or Its Circuit Malfunction - Suzuki GRAND VITARA Owner's Manual

DTC B1556: Camshaft Position (CMP) Sensor and/or Its Circuit Malfunction

DTC Detecting Condition and Trouble Area
HVAC control module receives error code from BCM continuously.
DTC Troubleshooting
Step
1 DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ECM for DTC.
Is there DTC P0340?

DTC B1557: Wheel Speed Sensor and/or Its Circuit Malfunction

DTC Detecting Condition and Trouble Area
HVAC control module receives error code from BCM continuously.
DTC Troubleshooting
Step
1 DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ABS for DTC.
Is there DTC C1021, C1022 / C1025, C1026 / C1031,
C1032 / C1035, C1036?

DTC B1561: Engine Coolant Temperature Sensor and/or Its Circuit Malfunction

DTC Detecting Condition and Trouble Area
HVAC control module receives error code from BCM continuously.
DTC Troubleshooting
Step
1 DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ECM for DTC.
Are there DTC P0116, P0117 or P0118?
DTC detecting condition
Action
DTC detecting condition
Action
DTC detecting condition
Action
Air Conditioning System:
Trouble area
• CMP sensor circuit
• CMP sensor
• HVAC control module
Yes
Go to applicable DTC
diag. flow.
Trouble area
• Wheel speed sensor circuit
• ABS control module
• Wheel speed sensor
• HVAC control module
Yes
Go to applicable DTC
diag. flow.
Trouble area
• ECT sensor circuit
• ECT sensor
• HVAC control module
Yes
Go to applicable DTC
diag. flow.
7B-54
S5JB0A7204046
No
Substitute a known-
good HVAC control
module and recheck.
S5JB0A7204047
No
Substitute a known-
good HVAC control
module and recheck.
S5JB0A7204048
No
Substitute a known-
good HVAC control
module and recheck.