DIAGNOSTIC - SELECTION
4 - 23
CASE TRAINING CENTER
AUGUST 2000
Reading the organisation charts
Error code and description of problem
The error code and the description of the problem are shown in the organisation charts
Prior checks
Before identifying the cause of the problem, always make prior checks.
Procedure method
After checking or measuring the items described in one step, depending on the results, choose YES or NO and
pass on to the next step.
The description in the YES or NO refers directly to the cause of the problem as the result of checks or
measurements made. Refer to the description of the cause and carry out the repair procedures described on the
right-hand side.
The inspection methods/measurements are described in one step. YES should be chosen if the criteria or
questions meet the situation; NO if they do not meet it.
The necessary preparation work, operating method and the criteria are described under one step. This should be
carefully read before starting the inspection and the measurements and the procedures should be followed,
starting by Step (1) since negligent preparation work or incorrect operating methods can cause damage to the
machine.
Wire colour
When troubleshooting, refer to the table below for the wire colours. (For connector numbers, refer to the following
pages).
Table showing wire colours
BR indicates colour B striped with R.
Example: BR indicates a black wire with red stripes
IMPORTANT: Before removing or installing a connector, always turn the ignition key to OFF.
Error code Description of problem
1 The message is still displayed even after refuelling
2 The message is still displayed even after adding coolant solution
Symbol Wire Symbol Wire
BBlackR Red
WWhite YYellow
Br Brown Lg Light green
P Pink Sb Sky blue
V Violet L Blue
G Green Gr Grey
O Orange
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