Mazda 6 Service Manual: Climate control unit inspection
Full-auto Air Conditioner
1. Connect the all center panel connectors.
2. Turn the ignition switch to ON position.
3. Measure the voltage at each climate control unit terminal and refer to the terminal voltage list.
- If not as specified, inspect the parts listed under Action and the related wiring harness.
- If there is any malfunction, replace the climate control unit.
Terminal Voltage List (Reference)
Climate control unit wire adjustment
Air Mix Wire
1. Set the temperature control dial at max cold.
2. Set the air mix link to max cold in the direction shown by the arrow and
insert a screwdriver at the set hole.
3. Connect the ai ...
Fan switch inspection
1. Remove the climate control unit.
2. Inspect for continuity between the fan switch terminals using an ohmmeter.
If not as specified, replace the fan switch.
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Other materials:
Mazda 6 Service Manual: Oil pressure switch inspection
1. Verify that the oil pressure warning light illuminates when the ignition
switch is at ON position.
2. Verify that the oil pressure warning light goes off when the engine is
started.
If the oil pressure warning light does not illuminate or remains
illuminated, inspect the related wirin ...
Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection
Verify that the main relay clicks when the ignition switch is turned to ON
position and off.
If there is no operation sound, inspect the following.
- Main relay (See RELAY INSPECTION.)
- Harness and connector between ignition switch and main relay termi ...