Page 2078 - Foton Workshop Manual - Sauvana

62-26 DIAGNOSIS-SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM (SRS)

B2500, B2660 AND B2663 - SRS MODULE CAN

COMMUNICATION ERROR

Circuit diagram

Ignition switch
ON or START

F26 Interior fuse
1 0A box C05

O-R

1
Ignition power supply SRS

Instrument cluster
C23
Instrument ECU
Ground CAN-H CAN-L
2 15 16

B
L-Y R-W

33 34
CAN-H CAN-L
SRS ECU
C27
C22

fuwx62175
Symptom description:
Combination meter airbag indicator lamp is always on or doesn't turn on, and other
modules can't receive the SRS module signal.

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.

Page 2078