Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form such as following will facilitate collecting information to the point required for proper analysis and diagnosis.
| Note this form is a standard sample. The form should be modified according to conditions and characteristic of each market. |
Example: customer problem inspection form


Visual inspection
Prior to diagnosis using the mode select switch or sds, perform the following visual inspections. The reason for visual inspection is that mechanical failures (such as oil leakage) cannot be displayed on the screen with the use of mode select switch or sds.
Fail-safe function table
Malfunction code and defective condition tableContinuity check
Measure resistance across coupler “b” (between “a”
and “c” in figure).
If no continuity is indicated (infinity or over limit), the
circuit is open between terminals “a” and “c”.
Disconnect the coupler “b” and measure resistance
between couplers “a” and “b-1”.
If no continuity ...
License plate light bulb replacement
Caution
when you touch the bulb with your bare
hands, clean the bulb with a cloth moistened
with alcohol or soap water to prevent
premature bulb failure.
Remove the license plate light mounting nuts.
Remove the lens cover (1) by removing the screws.
Re ...
Oil pressure regulator / oil strainer
inspection
Refer to “oil pan / oil pressure regulator / oil strainer removal and
installation” .
Oil pressure regulator
Inspect the operation of the oil pressure regulator by
pushing the piston with a proper bar.
If the piston does not operate smoothly, replace the oil
pressure regulator with a new on ...