Genie Z80/60 Service Manual page 234

Section 5 • Fault Codes
FORD ECM FAULT CODE CHART
Code Problem
535
TPS1 Higher than TPS2
536
TPS1 Lower than TPS2
537
Throttle Unable to Open
538
Throttle Unable to Close
545
Governor Interlock Failure
Max Governor Speed
551
Override
552
Fuel Rev Limit
553
Spark Rev Limit
611
COP Failure
612
Invalid Interrupt
613
A/D Loss
614
RTI 1 Loss
615
Flash Checksum Invalid
616
RAM Failure
External 5V DC Ref Lower
631
than Expected
External 5V DC Ref Higher
632
than Expected
655
RTI 2 Loss
656
RTI 3 Loss
5 - 16
Cause
The throttle position sensor wiring and/or
connections for either TPS1 or TPS2 open or
shorted OR there is a poor system ground
connection OR one or both throttle position
sensors are faulty.
The throttle position sensor wiring and/or
connections for either TPS1 or TPS2 open or
shorted OR there is a poor system ground
connection OR one or both throttle position
sensors are faulty.
Governor actuator is stuck closed OR wiring
and/or connections open or shorted OR governor
actuator is faulty.
Governor actuator is stuck open OR wiring and/or
connections open or shorted OR governor
actuator is faulty.
Engine harness wiring and/or connections open
or shorted OR there is a poor system ground
connection OR ECM is faulty.
ECM needs to be re-programmed OR throttle is
sticking open OR there are air leaks between the
throttle body and cylinder head.
ECM needs to be re-programmed OR throttle is
sticking open OR there are air leaks between the
throttle body and cylinder head.
ECM needs to be re-programmed OR throttle is
sticking open OR there are air leaks between the
throttle body and cylinder head.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.
Engine harness wiring and/or connections open
or shorted to ground OR there is a faulty engine
sensor OR ECM is faulty.
Engine harness wiring and/or connections open
or shorted to ground OR there is a faulty engine
sensor OR ECM is faulty.
Loose wire connections to ECM OR ECM is
faulty.
Loose wire connections to ECM OR ECM is
faulty.S
Z-80/60
June 2011
Solution
Be sure engine harness wiring and
connections are in place and secure OR
repair wiring and/or connections to one or
both TPS sensors OR replace one or both
TPS sensors.
Be sure engine harness wiring and
connections are in place and secure OR
repair wiring and/or connections to one or
both TPS sensors OR replace one or both
TPS sensors.
Repair wiring and/or connections to governor
actuator OR replace the governor actuator.
Repair wiring and/or connections to governor
actuator OR replace the governor actuator.
Repair wiring and/or connections in engine
harness OR replace the ECM.
Re-program ECM OR repair binding throttle
operation OR repair any air leaks between
the throttle body and cylinder head.
Re-program ECM OR repair binding throttle
operation OR repair any air leaks between
the throttle body and cylinder head.
Re-program ECM OR repair binding throttle
operation OR repair any air leaks between
the throttle body and cylinder head.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts OR locate and
troubleshoot or repair faulty engine sensor
OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts OR locate and
troubleshoot or repair faulty engine sensor
OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Locate and repair any engine harness wiring
damage or shorts to ECM to be sure they
are secure OR replace ECM.
Part No. 88619
REV B