Page 235 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 181

4. Check blower to blower switch harness and connector IN

a. Ignition switch:LOCK.
b. Disconnect the connector B036 of fan switch. DI
c. Disconnect blower connector B057.

d. Take a multimeter to measure the resistance between No. EG
3 terminal of B036 and No. 2 terminal of B057.
Standard resistance: TR

Multimeter connecting terminal Standard value
AX
B036(3)-B057(2) About 0Ω

FR

Check if the result is ok? ST
Yes>go to Step 5.

No> Check or replace the open harness between blower to blower switch. BR
5. Check blower switch ground harness and connector

a. Ignition switch:LOCK. BW
b. Disconnect the connector B036 of fan switch.

c. Take a multimeter to measure resistance between No. 5 EL
terminal of B036 and grounding.
Standard resistance:

Multimeter connecting terminal Standard value

B036(5)-grounding About 0Ω

Check if the result is ok?

Yes>replace the AC controller.

No> Check or replace the open harness between blower to blower switch.

DI-181