Page 2290 - Foton Workshop Manual - Aumark (BJ1099)

62-238 DIAGNOSIS-HEATER & AIR CONDITIONING

CYCLE SERVO MOTOR FAULT

Circuit Diagram

A/C controller
5V C42
Mixed air reference Analogy Recirculation
Mixed Mixed motor power Analogy Analogy motor Recirculation Recirculation motor
air motor+ air motor- feedback supply motor+ motor- feedback motor+ motor- feedback Ground
A12 B12 A8 A4 A13 B13 A7 A11 B11 B7 B4

BG- BP- GY- PG- BY- BW- WR- O O B- VW- BL-

BL- PG- BL- BL-
5 6 1 2 3 5 6 1 2 3 5 6 1 2 3

M M M
Mixed air motor Analogy motor Recirculation motor
C52 C25 C38 fuwx62652

Diagnosis Procedure

1. Check fuse

(a). Disconnect the battery negative cable.

(b). Check the fuse in fuse box within house:
• F17(5A)
Disconnect Normal
• F33(5A)
• F41(5A)
• F44(30A)

fuwx62605

Is the result normal?
Yes>To step 2.
No >Replace the fuse.

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