Mazda 6 2002 Workshop Manual page 1000

ON-BOARD DIAGNOSTIC [HEADLIGHT AUTO LEVELING SYSTEM]
DTC TABLE
• DTCs are common for present and past malfunction diagnosis.
DTC
B1342 Auto leveling control unit system.
B2141 Configuration setting system for auto leveling control unit.
Communication system between auto leveling control unit (main) and
B2390
auto leveling contro unit (sub).
B2477 Auto leveling control unit setting system.
B2607 Auto leveling control unit controlling system.
Front auto leveling sensor or rear auto leveling sensors power supply
B2615
system.
B2616 Front auto leveling sensor signal system.
B2619 Rear auto leveling sensor signal system.
B2626 Headlight zerosetting system for auto leveling control unit.
B2735 Headlight leveling actuator signal system.
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DTC B1342
DTC B1342 Auto leveling control unit system.
Warning
• • • • incorrect servicing of the auto leveling control unit could result in electrical shock because
DETECTION
CONDITION
Auto leveling control unit does not work properly.
POSSIBLE • Auto leveling control unit malfunction
CAUSE • Poor fit of auto leveling control unit
Diagnostic procedure
STEP
INSPECT AUTO LEVELING CONTROL
UNIT CONNECTION
• Check fit of auto leveling control unit.
1
• Is condition of the fit okay?
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DTC B2141, B2477
DTC B2141,
Configuration setting system for auto leveling control unit.
B2477
Warning
• • • • incorrect servicing of the auto leveling control unit could result in electrical shock because
DETECTION
CONDITION
Configuration for auto leveling control unit is not set.
POSSIBLE
• Configuration for auto leveling control unit is not set or the setting is invalid
CAUSE
Diagnostic procedure
Check connections of each sensor and the unit. Then connect WDS or equivalent and perform configuration.
(See T–30 AUTO LEVELING CONTROL UNIT
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T–148
Description
the unit is integrated with the discharge headlight control unit. Before servicing the auto
leveling control unit, always refer to “Discharge headlight service warnings.” (See
DISCHARGE HEADLIGHT SERVICE
INSPECTION
the unit is integrated with the discharge headlight control unit. Before servicing the auto
leveling control unit, always refer to “Discharge headlight service warnings.” (See
DISCHARGE HEADLIGHT SERVICE
CONFIGURATION)
WARNINGS)
Yes Replace auto leveling control unit.
(See T–30 DISCHARGE HEADLIGHT CONTROL UNIT
REMOVAL/INSTALLATION)
No After correcting fit, clear DTC and check DTC again.
• If DTC is displayed again, replace auto leveling control
unit. (See T–30 DISCHARGE HEADLIGHT CONTROL
UNIT REMOVAL/INSTALLATION)
WARNINGS)
ACTION
A6E816467000W02
Page
(See T–148 DTC B1342)
(See T–148 DTC B2141, B2477)
(See T–149 DTC B2390)
—
(See T–151 DTC B2607)
(See T–153 DTC B2615)
(See T–155 DTC B2616)
(See T–157 DTC B2619)
(See T–158 DTC B2626, B2477)
(See T–159 DTC B2735)
A6E816467000W03
T–25
ACTION
A6E816467000W04
T–25