Page 393 - Foton Workshop Manual - Auman EST-M
P. 393
Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 339
Diagnosis procedure IN
1. Check the circuit from door unlocked switch to combination instrument.
a. Ignition switch: LOCK. DI
b. Respectively disconnect the combination instrument connector B015 and door unlocked switch connector
G004. EG
c. Use a multimeter to measure the resistance between 8#
terminal of combination instrument connector B015 and 1# TR
terminal of door unlocked switch connector G004.
Standard resistance:
AX
Multimeter connecting terminal Standard value
B015(8)-G004(1) About 0Ω FR
ST
Check if the result is ok?
Yes>go to Step 2.
BR
NO>repair or replace the harness.
2. Check the door unlocked switch signal circuit.
BW
a. Ignition switch: LOCK.
b. Disconnect the connector B015 of combination instrument.
EL
c. Ignition switch: ON.
d. Measure the voltage between the combination instrument
connector B015 terminal 8 and the ground with the
multimeter in voltage gear.
Standard voltage:
Multimeter connecting terminal Standard value
B0015(8)-grounding About 0V
Check if the result is ok?
Yes>go to Step 3.
No > repair or replace the combination instrument module.
3. Check the door unlocked switch.
a. Ignition switch: LOCK.
b. Disconnect the connector G004 of door is not closed .
DI-339