Page 245 - Foton Workshop Manual - Aumark (BJ1099)

ENGINE CONTROL SYSTEM - INTAKE PRESSURE/TEMPERATURE SENSOR 11-19
OVERHAUL

1. Check intake air pressure temperature
sensor
(a). Turn ignition switch to OFF.
(b). Connect diagnostic device to diagnose
interface.
(c). Turn the ignition switch to "ON" and open
the diagnostic device–use the latest
software version. 11
(d). Select the menu item of "Read data flow".

Diagnostic Detection Normal
device condition(range) value
display item
fuwx11017
Intake air
0℃
temperature:0℃
Intake air Intake air
20℃
temperature •Ignition temperature:20℃
switch:ON Intake air 80℃
•Or start temperature:80℃
run Intake air
3.2~3.8V
Intake air temperature:0℃
temperature Intake air 2.3~2.9V
sensor temperature:20℃
voltage Intake air
0.4~1.0V
temperature:80℃

(e). If the results do not conform to provision, check intake air pressure temperature
sensor, harness or ECM.

Page 245