ON-BOARD DIAGNOSTIC FUNCTION BLOCK DIAGRAM [HVAC]


id0702a2100200

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1
Normal control
2
Warm up the engine
3
Turn the ignition switch to LOCK position
4
Short the A/C check conductor to the body ground using a jumper wire
5
Light the solar radiation sensor with 60 W lamp at a distance 100 mm {3.9 in}
6
Start the engine
7
On-board diagnostic
8
Present failure indication
9
Diagnostic trouble code(s) indicated
10
A/C switch on
11
Past failure indication
12
Press REC/FRESH switch and AUTO switch at the same time
13
Past failure memory deletion
14
Rear defroster indicator light flashes once
15
AUTO switch on
16
Output device operation check
17
Check indicator lights illuminate for 4 s.
18
Step 1
19
Step 2
20
Step 3
21
Step 4
22
REC/FRESH switch on