Mazda 6 Service Manual: Multiplex communication system
Outline
- In case the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the SST (WDS or equivalent) to determine the malfunctioning system.
- PCM
- DSC HU/CM (with DSC)
- ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS)
- Instrument cluster
Flowchart
- Use the following flowchart to verify the cause of the trouble.
Dtc table
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Other materials:
Mazda 6 Service Manual: Mass air flow (maf) sensor inspection
Voltage Inspection
Note
Perform the following inspection only when directed.
1. Visually inspect for the following on the MAF sensor.
Damage
Cracks
Terminal bends
Terminal rust
- If any of the above are found, replace the MAF sensor.
- If the MAF PID value is out of specifi ...
Mazda 6 Service Manual: Electrical troubleshooting tools
Jumper wire
A jumper wire is used to create a temporary circuit. Connect the jumper
wire between the terminals of a circuit to bypass a switch.
Caution
Do not connect a jumper wire from the power source line to a body
ground. This may cause burning or other damage to wiring harnesse ...