Mazda 6 Training Manual page 228

Flowchart
Eample (Open circuit in PCM-related wiring harness)
.
1 Instrument cluster
2 Circuit open
Note
• This eample is for vehicles not equipped with a TCS or DSC.
1. DTCs for the PCM, ABS HU/CM and instrument cluster can be verified using a SST (WDS or equivalent).
Module
PCM
ABS HU/CM
Instrument cluster
T–12
MULITIPLE COMMUNICATION SYSTEM
Displayed DTC
U0073
U0121
U0155
U1900, U2516
U1900, U2516
3 Twist pair
Probable malfunction location
PCM-related CAN system malfunction
Communication error between PCM and ABS HU/CM
Communication error between PCM and instrument cluster
ABS HU/CM-related CAN system malfunction
Instrument cluster-related CAN system malfunction
A6E8111TH01
A6E8111T008