B SYMPTOM: The engine’s Idle is too high.
10.10.4 Solenoid Clutch Control System Problems Without Error Codes
A SYMPTOM: Cannot obtain Warm-up Mode while moving the Control Head lever in the
Ahead direction, only in the Astern direction.
10.10.5 Electronic Throttle Control System Problems Without Error Codes
A SYMPTOM: The engine RPM’s vary, without moving the Control Head lever (synchronization
disabled).
B SYMPTOM: The engine’s Idle speed is too high.
b. Erratic Command Signal. b.
Refer to Command Signal testing in Section 10.6.1: Command
Signal and Section 10.6.2: A to D Counts. If variations of the A/D
counts occur, connect the Control Head to another Station (if
available) on the Processor. If variations persist, replace the
Control Head.
Cause Remedy
a.
Idle was not adjusted mechanically
correct at the Idle stop.
a.
Adjust the Throttle Push-Pull cable as specified in Section 5.6.2.1:
Throttle Basic Functions.
b.
Function Code E2 Throttle Minimum is
incorrectly set.
b.
Adjust Throttle Minimum as specified in Section 5.6.2.1: Throttle
Basic Functions.
c.
The Governor or Carburetor is incorrectly
adjusted.
c.
After Causes a. and b. have been eliminated, contact a certified
engine mechanic to properly adjust.
Cause Remedy
a.
The Processor is sensing that the Control
Head’s lever is moving in the Astern
direction
Depress the Transfer Button while moving the Control Head lever
in the Astern direction. If the LED begins to blink, the Control
Head is incorrectly wired.
• Check the colors of the wires at pins 5 and 7.
• A right hand Control Head should have yellow at pin 5 and blue
at pin 7.
• A left hand Control Head should have blue at pin 5 and yellow at
pin 7.
• Ahead and Astern Solenoid Wires need to be reversed.
Cause Remedy
a. Problem with the Governor. a.
Connect the Break-out Box (p/n 13927) as shown in the Throttle
Testing Section of the Service Field Test Unit Manual. If
variations are seen, proceed to Step B). If no variations are seen,
contact a certified engine mechanic.
b. Erratic Command Signal. b.
Refer to Command Signal testing. If variations of the A/D counts
occur, connect the Control Head to another Station (if available)
on the Processor. If variations persist, replace the Control Head.
Cause Remedy
a.
Function Code E2 Throttle Minimum is
incorrectly set.
a.
Adjust Throttle Minimum as specified in Section 5.6.2.1: Throttle
Basic Functions.
Cause Remedy
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