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 wiring harness.
- If the related wiring harness are normal, inspect the oil pressure. (See OIL PRESSURE INSPECTION.)
- If the oil pressure is normal, replace the oil pressure switch.
Fuel gauge sender unit inspection
Move the float to the topmost and bottommost positions, and verify that the
resistance between terminals A and B of the unit and the position of the float
are as indicated in the figure.
If th ...
Horn removal/installation
1. Disconnect the negative battery cable.
2. Bend the mud guard.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal. ...
Other materials:
Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
If any problems are found, replace the heater core.
4. Inspect for bent fins.
If any are bent, use a flathead screwdriver to stra ...
Mazda 6 Service Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...