Mazda 6 2002 Workshop Manual page 1038

ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]
DTC 01
DTC 01 Cruise actuator (Drive circuit)
DETECTION
• Malfunction in cruise actuator circuit (drive circuit)
CONDITION
POSSIBLE
• Cruise actuator malfunction
CAUSE
Diagnostic procedure
REPLACE CRUISE ACTUATOR IF IT IS MALFUNCTIONING
• Replace cruise actuator.
(See T–110 CRUISE ACTUATOR
End Of Sie
DTC 05
DTC 05 Brake switch
DETECTION
• Voltage detected at cruise actuator connector terminal C is always approimately 0 V.
CONDITION
POSSIBLE
• Cruise actuator malfunction
CAUSE
Diagnostic procedure
INSPECTION
INSPECT DTC FOR OPERATION MODE
• Was operation mode for DTC 31 performed?
End Of Sie
DTC 07
Brake switch
DTC 07
Brake switch 2
DETECTION • Voltage detected at cruise actuator connector terminal C or K is always approimately 12 V.
CONDITION • Voltage detected at cruise actuator connector terminal K is always approimately 0 V.
• METER IG15 A fuse burnt out
• Brake switch and/or brake switch 2 malfunction
• Cruise actuator malfunction
POSSIBLE
• Open circuit in wiring harness between STOP 15 A fuse and brake switch
CAUSE
• Open or short circuit in wiring harness between brake switch and cruise actuator terminal C
• Open circuit in wiring harness between brake switch 2 and METER IG15 A fuse
• Open or short circuit in wiring harness between cruise actuator terminal K and brake switch 2
T–186
ACTION
REMOVAL/INSTALLATION)
Yes Perform operation mode for DTC 31 on-board diagnostic
No
ACTION
again. Even if no malfunction is detected in operation mode,
if DTC 05 is indicated in condition detection mode on-board
diagnostic, replace cruise actuator.
(See T–110 CRUISE ACTUATOR REMOVAL/
INSTALLATION)
Perform operation mode for DTC 31.
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