Page 209 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 155

Failure phenomenon Phenomenon description IN

Wiper is only in high gear and does Ignition switch is in the "ON" gear, wiper combination switch is in high gear, and
DI
not work the wiper motor can not run at high speed.

Diagnosis procedure
EG
1. Check the wiper combination switch

a. Ignition switch:LOCK.
TR
b. Disconnect the connector B030 of wiper combination switch.

c. Place the wiper combination switch at the high speed.
AX
d. Measure the conduction between No. 5 and 8 terminals

of wiper combination switch with a multimeter.
FR
Standard resistance:

Multimeter connecting terminal Standard value
ST
B030(5)-B030(8) About 0Ω

BR

BW
Check if the result is ok?

Yes>check or replace the harness. If the failure still exists, go to Step 2.
NO>repair or replace the wiper combination switch. EL
2. Replace the body controller

a. Replace with the same specification and type of body control module and recheck.

Is the test result ok?

Yes>replace the body controller.

NO>retest the above steps.

DI-155