Page 341 - Foton Workshop Manual - Tunland (AT)
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DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-195
P352，P386，SENSOR POWER SUPPLY 1 CIRCUIT FAULT
P352-SENSOR POWER 1 CIRCUIT - VOLTAGE IS BELOW
NORMAL OR SHORTED TO LOW VOLTAGE POWER SUPPLY
P386- SENSOR POWER 1 CIRCUIT - VOLTAGE IS ABOVE
NORMAL OR SHORTED TO HIGH VOLTAGE POWER SUPPLY 04
Description
1 . The sensor power 1 of the engine control module (ECM) provides 5V power to
several engine sensors.
DTC inspection
DTC DTC definition Trouble location
conditions
Sensor power 1
circuit - voltage is
P352 below normal or
• The harness
shorted to low voltage • During engine
power supply operation, the between the sensor
diagnosis continues and the ECM is
Sensor power 1 open or shorted
circuit - voltage is to run • ECM
P386 above normal or
shorted to high
voltage power supply
Diagnosis Procedure
NOTICE
• The diagnosis procedure of each sensor and the ECM fault in this fault refer to
Chapter 04 - diagnostic - engine control system.
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