Page 2210 - Foton Workshop Manual - Aumark (BJ1099)

62-158 DIAGNOSIS-WIPER AND WASHING SYSTEM

Diagnosis Procedure

1. DTC Test

(a). Turn off the ignition switch and all the electrical appliances and connect the vehicle
diagnostic device to the diagnose interface.
(b). With the ignition switch: "ON", read and clear the DTC with the vehicle diagnostic
device.
(c). Turn off the ignition switch and all the electrical appliances and after 3~5 seconds
reset the ignition switch on the "ON" gear.
(d). Read the DTC with the vehicle diagnostic device again.

Check if the trouble code exists?
Yes>To step2.
No >For accidental faults, check whether the connector plugs of the central lock and the
body controller harness are loosen and eroded.

2. Check the front wiper high-speed relay

(a). Ignition switch:"LOCK".

(b). Disconnect the front wiper high-speed relay
R11.
(c). Measure whether the performance of the
front wiper high-speed relay R11 is in
good condition with the multimeter on the
resistance range.
Standard resistance:
Connect by Standard
Conditions
multimeter value

normal 1–2 Exist
normal 3–4 ＜ 2Ω

Apply the power
supply voltage
between the 3–5 ＜ 2Ω
No.1 and No.2
pin
Is the inspection result normal?
Yes>To step3.
No >Replace the front wiper high-speed relay.

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