Freelander System Description and Operation
ENGINE MANAGEMENT SYSTEM - SIEMENS
DESCRIPTION AND OPERATION 18-4-37
1565
Cruise control interface ECU
MFL signal switch state
implausible, circuit high voltage
No
No
—
1566
Cruise control interface ECU
MFL signal period time error,
circuit low voltage
No
No
—
1567
Cruise control interface ECU
MFL signal SET/+ switch state
implausible
No
No
A
1569
Cruise control interface ECU
MFL signal time out
No
No
A
1572
Brake pedal sensor
BLS signal defective or BTS
signal active
No
No
—
1573
Brake pedal sensor
BTS signal defective
No
No
—
1574
Brake pedal sensor
Signals implausible
No
No
A
1575
Brake pedal sensor
APP sensor to brake sensor
inputs implausible
No
Yes
B
1576
Brake pedal sensor
APP sensor to brake sensor
inputs high
No
No
B
1577
Brake pedal sensor
APP sensor to brake sensor
inputs low
No
No
B
1621
Serial link with
immobilisation ECU
Timeout
No
No
A
1624
Serial link with
immobilisation ECU
Code not accepted
No
No
A
1625
ECM, throttle monitoring/ self
test
Internal fault
Yes
Yes
A
1626
ECM, throttle monitoring/ self
test
Engine torque monitoring
problem
Yes
Yes
B
1627
ECM, throttle monitoring/ self
test
Engine speed monitoring problem
Yes
Yes
B
1628
ECM, throttle monitoring/ self
test
PWM signal 1 duty cycle
threshold exceeded for <1
second
Yes
No
B
1629
ECM, throttle monitoring/ self
test
PWM signal 2 duty cycle
threshold exceeded for >1
second
Yes
Yes
B
1630
ECM, throttle monitoring/ self
test
Throttle position control deviation
Yes
Yes
B
1631
Throttle
Motor power stage fault
Yes
Yes
A
1636
ECM, throttle monitoring/ self
test
Throttle motor adaption not
completed
Yes
Yes
A
1637
ECM, throttle monitoring/ self
test
Throttle motor lower adaption not
plausible
Yes
Yes
A
1638
ECM, throttle monitoring/ self
test
Throttle motor upper adaption not
plausible
Yes
Yes
A
1639
ECM, throttle monitoring/ self
test
Throttle motor spring test not
completed
Yes
Yes
A
1641
CAN bus
Bus off
No
No
—
1645
CAN bus link with ABS ECU
Timed out
No
No
A
1646
CAN bus link with EAT ECU
Timed out
Yes
No
A
1647
CAN bus link with instrument
pack
Timed out
No
No
A
1666
Serial link with
immobilisation ECU
Wrong code
No
No
A
1669
ECM cooling fan signal
Open circuit or short to battery
No
No
A
1670
ECM cooling fan signal
Open circuit
No
No
A
P Code No.
Component/Signal
Fault Description
Warning Lamp
Drive Cycle
SERVICE
ENGINE
(MIL)
SERVICE
ENGINE
SOON
