Perkins 1106D Troubleshooting Manual page 211

SENR9982
Results:
•
OK – The 526-06 diagnostic code is now active.
There is a fault in the harness between the ECM
and the solenoid.
Repair: Repair the harness or replace the harness.
STOP.
•
Not OK – There is still an open circuit diagnostic
code.
Repair: Perform the following procedure:
1. Temporarily connect a test ECM. Refer to
Troubleshooting, "Programming Parameters"
before replacing the ECM.
2. If the test ECM fixes the fault, reconnect the
suspect ECM. If the fault returns, permanently
install the new ECM.
STOP.
Test Step 6. Disconnect the Solenoid in
order to Create an Open Circuit
A. Turn the keyswitch to the OFF position.
B. Disconnect the P511 turbo wastegate solenoid
connector in order to create an open circuit.
C. Turn the keyswitch to the ON position. Access the
"Special Tests" under the "Diagnostics" menu on
the Perkins EST. Activate the "Turbo Wastegate
Solenoid Output" on the Perkins EST. Wait at least
30 seconds for activation of the diagnostic codes.
D. Check for active diagnostic codes on the Perkins
EST.
Expected Result:
The 526-05 diagnostic code is now active.
Results:
•
OK – The 526-05 diagnostic code is now active.
Repair: There is a short in the solenoid.
1. Temporarily connect a new wastegate regulator.
2. If the fault is eliminated, reconnect the
suspect wastegate regulator. If the fault returns,
permanently install the new wastegate regulator.
STOP.
•
Not OK – There is still a 526-06 diagnostic code.
Proceed to Test Step 7.
Test Step 7. Create an Open Circuit at the
ECM
A. Turn the keyswitch to the OFF position.
B. Remove the wires from P2:17 and P2:44 in order
to create an open circuit at the ECM.
C. Turn the keyswitch to the ON position. Access the
"Special Tests" under the "Diagnostics" menu on
the Perkins EST. Activate the "Turbo Wastegate
Solenoid Output" on the Perkins EST. Wait at least
30 seconds for activation of the diagnostic codes.
D. Check for active diagnostic codes on the Perkins
EST.
Expected Result:
526-05 diagnostic code is now active.
Results:
•
OK – The 526-05 diagnostic code is now active.
There is a short circuit in the harness between the
ECM and the solenoid.
Repair: Repair the harness or replace the harness.
STOP.
•
Not OK – The 526-06 diagnostic code is still
present.
Repair: Perform the following procedure:
1. Temporarily connect a test ECM. Refer to
Troubleshooting, "Programming Parameters"
before replacing the ECM.
2. If the test ECM eliminates the fault, reconnect
the suspect ECM. If the fault returns,
permanently install the new ECM.
STOP.
211
Troubleshooting Section