Inspection Procedure Heq
READ VALUE OF INTELLIGENT TESTER
(a) Connect the intelligent tester to DLC3.
(b) Turn the ignition switch on (IG) and push the intelligent tester main switch on.
(c) Select the items below in the DATA LIST, and read the displays on the intelligent tester.
|
Item |
Measurement Item / Display (Range) |
Normal Condition |
Diagnostic Note |
|
Damper is at "MAX.COOL": 5 | |||
|
AIR MIX PULSE-D |
Air mix servo motor target pulse |
(pulse) | |
|
(Driver side) / min.: 0 max.: 255 |
Damper is at "MAX.HOT": 103 | ||
|
(pulse) | |||
|
Result |
The display is as specified in the normal condition. | ||
|
Result |
Proceed to |
|
NG |
A |
|
OK (Checking from the PROBLEM SYMPTOMS TABLE) |
B |
|
OK (Checking from the DTC) |
C |
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
REPLACE AIR CONDITIONING AMPLIFIER
REPLACE AIR MIX CONTROL SERVO MOTOR
HINT:
Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a normal one and check that the condition returns to normal.
REPLACE AIR CONDITIONING HARNESS ASSEMBLY
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