Page 2327 - Foton Workshop Manual - Aumark (BJ1099)
P. 2327
DIAGNOSIS-HORN SYSTEM 62-275
Diagnosis Procedure
1. Check the fuse
(a). Ignition switch:"LOCK".
62
(b). Check the fuse in the fuse box of the
engine room:
Disconnect Normal
F19(15A)。
fuwx62750
Is the result normal?
Yes>To step 2.
No >Replace the fuse.
2. Check the horn relay
(a). Ignition switch:"LOCK".
(b). Remove the horn relay R13.
(c). Check whether the performance of the
horn relay R13 is in good condition with the
multimeter on the resistance range.
Standard resistance:
Connect by Standard
Conditions
multimeter value
Ordinary state 1 - 2 Existed
Apply the power
supply voltage
between the No. 3 - 5 < 2Ω
1 and No. 2 pin
Is the result normal?
Yes>To step 3.
No >Replace the horn relay.
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