2006 DODGE RAM SRT-10 Service Repair Manual

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Page 209 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 5.(K447) ETC POSITIVE CIRCUIT SHORTED TO GROUND
Measure the resistance between a known good ground and the (K447)
ETC Positive circuit at the appropriate terminal of special tool #8815.
Istheresistanc

Page 210 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 8.PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and

Page 211 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual P2111-ELECTRONIC THROTTLE CONTROL - UNABLE TO CLOSE
For a complete wiring diagramRefer to Section 8W.

Page 212 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual When Monitored:
Ignition on and battery voltage greater than 10 volts.
Set Condition:
Just after key on, the throttle is opened and closed to test the system. If the TP Sensor does not return to
Limp

When Monitored:
Ignition on and battery voltage greater than 10 volts.
Set Condition:
Just after key on, the throttle is opened and closed to test the system. If the TP Sensor does not return to
Limp Home Position at the end of this test, this DTC will set. One trip fault and the code will set within 5
seconds. ETC light is flashing.
Possible Causes
THROTTLE PLATE STUCK ABOVE LIMP HOME POSITION
TP SENSOR NO.1 AND TP SENSOR NO.2 BOTH READ 2.5 VOLTS
(K447) ETC POSITIVE CIRCUIT SHORTED TO BATTERY VOLTAGE
(K447) ETC POSITIVE CIRCUIT OPEN
(K448) ETC NEGATIVE CIRCUIT OPEN
(K447) ETC POSITIVE CIRCUIT SHORTED TO GROUND
(K448) ETC NEGATIVE CIRCUIT SHORTED TO GROUND
PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.ACTIVE DTC
NOTE: Maximum engine speed could be reduced while this fault is active, it just depends where the throttle
gets stuck.
Ignition on, engine not running.
NOTE: The PCM tests the ETC Motor by opening and closing the Throttle Plate before starting the engine.
If during this test the Throttle plate does not return to the closed positionthisDTCsets.
With a scan tool read DTCs.
NOTE: Diagnose any TP Sensor or 5-Volt Supply DTCs before continuing.
Is the DTC active at this time?
Ye s>>
Go To 2
No>>
Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
2.THROTTLE PLATE STUCK OPEN
Turn the ignition off.
NOTE: The PCM tests the ETC Motor by opening and closing the Throttle Plate before starting the engine.
If during this test the Throttle plate does not return to the closed positionthisDTCsets.
Remove the Air Cleaner Assembly from the Throttle Body.
Check for any signs of a foreign material causing the Throttle to remain open.
Using a scan tool actuate the ETC Motor.
Does the Throttle Plate move?
Ye s>>
Go To 3
No>>
Remove the debris if possible or replace the Throttle Body Assembly if signs of physical damage are
present. Disconnect the Battery when replacing the Throttle Body Assembly. After installation is com-
plete, use a scan tool and perform the ETC RELEARN function.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Page 213 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 3.TP SENSOR NO.1 AND TP SENSOR NO.2 BOTH EQUAL 2.5 VOLTS
With a scan tool, perform the Throttle Follower test while reading both TP Sensor voltage readings.
Are both TP Sensor readings stuck at 2.5 vo

Page 214 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 6.(K448) ETC NEGATIVE CIRCUIT OPEN
Measure the resistance of the (K448) ETC Negative circuit from the
Throttle Body harness connector to the appropriate terminal of special
tool #8815.
Is the resistan

Page 215 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 8.(K448) ETC NEGATIVE CIRCUIT SHORTED TO GROUND
Measure the resistance between a known good ground and the (K448)
ETC Negative circuit at the appropriate terminal of special tool #8815.
Istheresistanc

Page 216 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual P2112-ELECTRONIC THROTTLE CONTROL - UNABLE TO OPEN
For a complete wiring diagramRefer to Section 8W.

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