Mazda 6 2002 - On-Board Diagnostic

T142
ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]
DTC TABLE
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PID/DATA MONITOR TABLE
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PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION
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System Wiring Diadram
DTC Malfunction location Related module Page
U0073 CAN system communication error
PCM
(See T144 DTC U0073,
U1900, U2516)
U0121
Communication error to ABS (ABS/TCS) HU/CM
or DSC HU/CM

U0155 Communication error to instrument cluster
U1900 CAN system communication error • ABS (ABS/TCS) HU/CM (with
ABS (ABS/TCS)
• DSC HU/CM (with DSC)
• Instrument cluster
(See T144 DTC U0073,
U1900, U2516)
U2516
CAN system wiring harness open and short
circuit
PID name (definition) Condition Specification Related module Terminal
IC_MSG
(Missing message from the
instrument cluster)
Present
Circuit in the instrument cluster
is normal.
ABS (ABS/TCS)
HU/CM or DSC HU/
CM
• ABS (ABS/TCS)
HU/CM: O, R
• DSC HU/CM: AF,
AG
• Instrument cluster:
2W, 2X
Not Present
Circuit in the instrument cluster
is abnormal.
ABS_MSG
(Missing message from the
ABS (ABS/TCS) HU/CM or
DSC HU/CM)
Present
Circuit in the ABS (ABS/TCS)
HU/CM or DSC HU/CM is
normal.
Instrument cluster
Not Present
Circuit in the ABS (ABS/TCS)
HU/CM or DSC HU/CM is
abnormal.
PCM_MSG
(Missing message from the
PCM)
Present Circuit in the PCM is normal. • ABS (ABS/TCS)
HU/CM or DSC
HU/CM
• Instrument
cluster
Not Present Circuit in the PCM is abnormal.
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