
Diagnostic procedure

Dtc 07:er02
Diagnostic assist functionMazda 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: Steering shaft inspection
1. Inspect the following.
(1) Column bearing for damage
(2) Steering shaft length
Replace the steering shaft component as necessary.
Length
211.6 mm {8.3 in}
2. Inspect the tilt and telescope operation
(1) Verify that the adjusting lever moves smoothly from unlock posit ...