Page 2059 - Foton Workshop Manual - Sauvana

DIAGNOSIS-SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM (SRS) 62-7
B1101, B1102 - POWER SUPPLY VOLTAGE FAULT

Circuit Diagram

62
Ignition switch
ON or START

F24 Interior fuse
7.5A box C05

Y-W
5
Ignition power supply
SRS ECU
C27
Ground
6

C28
fuwx62150
Symptom description:
When ignition switch is "ON", SRS ignition power supply voltage is too high or low.
△ PROMPT:
Take voltage-too-low as an example, check the voltage-too-high with the same method.

Diagnosis Procedure

1. Check battery voltage

(a). Unplug battery positive and negative binding post.

(b). Use a multimeter to measure the voltage
between the battery positive and negative
electrode.

Connect the pin by Standard value
multimeter

Battery positive
electrode - negative Approx 12V
electrode

Page 2059