7B-4 Air Conditioning System:
DTC B1556: Camshaft Position (CMP) Sensor and/or Its Circuit Malfunction
S5JB0E7204027
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC B1557: Wheel Speed Sensor and/or Its Circuit Malfunction
S5JB0E7204028
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
A/C System Inspection at ECM
S5JB0E7204033
Voltage Check
When checking voltage at ECM terminals related to A/C system, refer to “Inspection of ECM and Its Circuits: in
Section 1A”.
DTC detecting condition
Trouble area
HVAC control module receives error code from BCM continuously.
• CMP sensor circuit
• CMP sensor
• HVAC control module
Step
Action
Yes
No
1
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ECM for DTC.
Is there DTC P0340?
Go to applicable DTC
diag. flow.
Substitute a known-
good HVAC control
module and recheck.
DTC detecting condition
Trouble area
HVAC control module receives error code from BCM continuously.
• Wheel speed sensor circuit
• Wheel speed sensor
• ABS/ESP
®
control module
• HVAC control module
Step
Action
Yes
No
1
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ABS/ESP
®
control module for DTC.
Is there DTC C1021, C1022 / C1025, C1026 / C1031,
C1032 / C1035, C1036?
Go to applicable DTC
diag. flow.
Substitute a known-
good HVAC control
module and recheck.
Summary of Contents for GRAND VITARA JB416
Page 2: ......
Page 6: ......
Page 12: ...0A 3 General Information...
Page 316: ...4F 53 Electronic Stability Program...
Page 364: ...5A 45 Automatic Transmission Transaxle...
Page 372: ...6B 6 Steering Wheel and Column...
Page 412: ...9D 4 Wipers Washers...
Page 473: ...Prepared by 1st Ed Jan 2006...