Page 2289 - Foton Workshop Manual - Aumark (BJ1099)

DIAGNOSIS-HEATER & AIR CONDITIONING 62-237

(d). Measure the resistance according to values
in the table below.
Standard resistance: (check whether there
is an open circuit)

Connect the pin by Standard value 62
multimeter

C42(B4)-C52(1)
C42(A8)-C52(2)

C42(A4)-C52(3) ＜ 2Ω

C42(A12)-C52(5)

C42(B12)-C52(6)
Is the result normal?
Yes>To step 3.
No >Repair or replace the harness.

3. Check temperature regulation servo motor

(a). Ignition switch:"LOCK".
(b). Disconnect temperature regulation servo motor connector C52.

(c). Check the function of temperature
regulation servo motor C52.
OFF
C52 Connect the Specified
Conditions
pins value
6 5 3 2 1
Battery (+)-5
Apply the battery Temperature
voltage between regulation

fuwx62 656 the No. 5 and Battery(-)-6 servo motor
No. 6 pin
run
Is the result normal?
Yes >Replace the A/C control.
No >Replace temperature regulation servo motor, validate again whether this fault exists
or not.

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