Page 2423 - Foton Workshop Manual - Aumark (BJ1099)

DIAGNOSIS-LIGHTING SYSTEM 62-371

Symptom description：
Turn shift lever to the "reverse gear" position, the backup lamp at one side doesn't turn on,
the other side is normal.
△ PROMPT：
Take the left rear backup lamp as an example, check with the right rear backup lamp with
the same method. 62

Diagnosis Procedure

1. Check backup lamp bulb

(a). Check if the LR and RR combination lamp connectors are loose and falling off.
(b). Remove LR and RR combination lamp backup lamp bulb.

(c). Connect the positive and negative
electrode of bulb into the positive
and negative electrode of the battery,
respectively to check if the bulb will light
up.

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

2. Check the harness disconnection

(a). Disconnect LR combination lamp connector N02.

(b). Use a multimeter to measure the
resistance between No. 3 terminal of
OFF T.S R2
2 connector N02 and No. 5 terminal of
N02
4 5 3 connector R2.
1 2 3 1 Standard resistance: (check whether there
Ω is an open circuit)

Connect the pin by
fuwx62 856 Standard value
multimeter
N02(3) - K04(2) ≤ 2 Ω

Page 2423