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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