Page 726 - Workshop Manual - Tunland (2017)

04-40 DIAGNOSTICS - ENGINE CONTROL SYSTEM

04
Failure code Diagnostic items (DTC definition) Trouble location

P111，P351，P649，P3488，P3697，P3714,P3727，P3731，

P4215–ECM FAUOLT

P111– INTERNAL ERROR OCCURS IN THE ENGINE CONTROL
MODULE - INTELIGENT DEVICE OR COMPONENTS FAULT

P351–INJECTOR POWER SUPPLY - THE INTELLIGENT DEVICE
OR COMPONENT FAULT

P649– ENGINE OIL CHANGE INTERVALS - THE CONDITION
EXISTS

P3488– ANTI LOCK BRAKE (ABS) CONTROLLER - ABNORMAL
UPDATE RATE

P3697–ENGINE CONTROL MODULE CALIBRATION MEMORY -
INTELLIGENT DEVICE OR COMPONENT FAULT

P3714–ENGINE PROTECTION TORQUE REDUCED - THE
CONDITION OCCURS

P3727–ENGINE CONTROL MODULE CALIBRATION MEMORY -

INTELLIGENT DEVICE OR COMPONENT FAULT
P3731–INSTRUMENT CONTROL MODULE - ABNORMAL UPDATE

RATE
P4215–ANTI LOCK BRAKING (ABS) ENABLED - THE CONDITION

EXISTS
Description

ECM has an internal diagnostic feature that keeps running and checking internal memory.

DTC DTC definition DTC inspection conditions Trouble location
An internal error occurs in the • When the key switch is in
P111 engine control module - Intelli- ON position, the diagnosis
gent device or component fault continues to run

• When the engine speed is
higher than 500 rpm, the
• ECM
main engine speed sensor
Injector power supply - the in-
signal is present, and the
P351 telligent device or component
battery power is higher than
fault
the minimum threshold val-
ue, the diagnosis continues
to run