Control Module Inspection: Notes

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Remove the air cleaner component. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION .)
Measure the voltage at each TCM short cord connector wiring harness-side) terminal and refer to the TERMINAL VOLTAGE TABLE .
- If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item (s)".
WARNING:
- Be careful not to damage the connector waterproofing when measuring the TCM terminal voltage. If damaged, the waterproofing efficiency could be negatively affected.
NOTE:
- Use the ground of terminal J of the TCM short cord connector wiring harness-side) when measuring terminal voltage, as an error may occur when connecting the negative circuit tester to ground.