DTC P0341 or P0366 (LDD)
Diagnostic Instructions
DTC Descriptors
| DTC P0341 00: Intake Camshaft Position Sensor
Performance |
| DTC P0366 00: Exhaust Camshaft Position Sensor
Performance |
Diagnostic Fault Information
Circuit
|
Short to Ground
|
Open/High Resistance
|
Short to Voltage
|
Signal Performance
|
Intake Camshaft Position Sensor 5V Reference
|
P0452 00, P0532 00, P0641 00
|
P0340 00, P0365 00
|
P0641 00, P0533 00
|
-
|
Exhaust Camshaft Position Sensor 5V Reference
|
P0452 00, P0532 00, P0641 00
|
P0365 00
|
P0641 00, P0533 00
|
-
|
Intake Camshaft Position Sensor Signal
|
P0340 00
|
P0340 00
|
P0340 00
|
P0341 00
|
Exhaust Camshaft Position Sensor Signal
|
P0365 00
|
P0365 00
|
P0365 00
|
P0366 00
|
Intake Camshaft Position Sensor Low Reference
|
-
|
P0340 00
|
P0340 00
|
-
|
Exhaust Camshaft Position Sensor Low Reference
|
-
|
P0365 00
|
P0365 00
|
-
|
|
| |
Circuit/System Description
Each camshaft is equipped with a camshaft position sensor that
the engine control module (ECM) monitors. The camshaft position
sensor is a hall effect switch that works in conjunction with a 4X
reluctor wheel. The reluctor wheels are mounted to the camshaft
position actuators that are mounted to the end of the camshafts.
The ECM uses the camshaft position sensor signals in order to
determine the position of the camshafts. The ECM supplies 5 V to
the camshaft position sensors on the 5 V reference circuits, and
supplies a ground on the low reference circuits. The camshaft
position sensors provide a signal to the ECM on the signal
circuits.
Conditions for Running the DTC
| • |
DTCs P0335 00, P0336 00, P0641
00, or P0651 00 are not set. |
| • |
The engine is cranking or
running. |
| • |
The mass air flow (MAF) is
greater than 3 g/s. |
| • |
The DTCs run continuously when
the above conditions are met. |
Conditions for Setting the DTC
The ECM detects a signal from the camshaft position sensor, but
the number of pulses are less than or greater than what is expected
for one crankshaft revolution.
Action Taken When the DTC Sets
| • |
DTCs P0341 00, and P0366 00
are Type B DTCs. |
| • |
The camshaft position actuator
is commanded to the park position. |
Conditions for Clearing the DTC
DTCs P0341 00, and P0366 00 are Type B DTCs.
Diagnostic Aids
A high resistance condition on the camshaft position sensor
circuits may cause a DTC to set.
Reference Information
Schematic Reference
Engine Controls Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Camshaft Actuator System Description
Electrical Information Reference
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
| 1. |
Ignition ON, observe the DTC
information with a scan tool. DTC P0641 00 should not be
set. |
| 2. |
Engine idling, observe the
scan tool Intake Camshaft Position Active Counter and Exhaust
Camshaft Position Active Counter parameter. The parameters should
be incrementing. |
| 3. |
Engine idling, observe the DTC
information with a scan tool. DTC P0341 00 or P0366 00 should not
set. |
| 4. |
Operate the vehicle within the
conditions for running the DTC to verify the DTC does not reset.
You may also operate the vehicle within the conditions that you
observed from the freeze frame/failure records data. |
Circuit/System Testing
| 1. |
Engine idling, move the
related harnesses/connectors of the appropriate B23F Camshaft
Position Sensor - Intake or B23E Camshaft Position Sensor - Exhaust
sensor while monitoring the scan tool Intake Camshaft Position
Variance or Exhaust Camshaft Position Variance parameter. The
Intake Camshaft Position Variance or Exhaust Camshaft Position
variance parameter should not change when moving the
harness/connectors. |
| ⇒ |
If the above condition exists, repair the
harness/connectors as necessary. |
| 2. |
Ignition OFF, inspect the
appropriate B23F Camshaft Position Sensor - Intake or B23E Camshaft
Position Sensor - Exhaust sensor for correct installation.
|
| ⇒ |
If the B23F Camshaft Position Sensor - Intake or
B23E Camshaft Position Sensor - Exhaust sensor is loose, inspect
the sensor and the O-ring for damage, and replace as
necessary. |
| 3. |
Disconnect the harness
connector at the appropriate B23F Camshaft Position Sensor - Intake
or B23E Camshaft Position Sensor - Exhaust sensor. |
| 4. |
Ignition OFF for 1 min, test
for less than 5 Ω between the low reference circuit terminal
2 and earth. |
| ⇒ |
If greater than the specified range, test the low
reference circuit for an open/high resistance. If the circuit tests
normal, replace the K20 Engine Control Module. |
| 5. |
Ignition ON, test for 4.8-5.2
V between the 5 V reference circuit terminal 1 and ground.
|
| ⇒ |
If less than the specified range, test the 5 V
reference circuit for a short to ground, or an open/high
resistance. If the circuit tests normal, replace the K20 Engine
Control Module. |
| ⇒ |
If greater than the specified range, test the 5 V
reference circuit for a short to voltage. If the circuit tests
normal, replace the K20 Engine Control Module. |
| 6. |
Test for 4.8-5.2 V between the
signal circuit terminal 3 and ground. |
| ⇒ |
If less than the specified range, test the signal
circuit for a short to ground, or an open/high resistance. If the
circuit tests normal, replace the K20 Engine Control Module. |
| ⇒ |
If greater than the specified range, test the
signal circuit for a short to voltage. If the circuit tests normal,
replace the K20 Engine Control Module. |
| 7. |
Ignition OFF, connect a 3 A
fused jumper wire to the B23F Camshaft Position Sensor - Intake or
B23E Camshaft Position Sensor - Exhaust signal circuit terminal
3. |
| 8. |
Ignition ON, momentarily touch
the end of the fused jumper wire to ground while monitoring the
scan tool Camshaft Position Active Counter. The Camshaft Position
Active Counter should increment. |
| |
• |
Physical damage to the B23F
Camshaft Position Sensor - Intake or B23E Camshaft Position Sensor
- Exhaust sensor or the reluctor wheel |
| |
• |
Excessive play or looseness of
the B23F Camshaft Position Sensor - Intake or B23E Camshaft
Position Sensor - Exhaust sensor or the reluctor wheel |
| |
• |
Excessive camshaft end
play |
| |
• |
Improper installation of the
B23F Camshaft Position Sensor - Intake or B23E Camshaft Position
Sensor - Exhaust sensor or the reluctor wheel |
| |
• |
Foreign material passing
between the B23F Camshaft Position Sensor - Intake or B23E Camshaft
Position Sensor - Exhaust sensor and the reluctor wheel
|
| |
• |
The timing chain and tensioner
for wear or damage |
| ⇒ |
If any of the above conditions exists, repair as
necessary. |
| 9. |
If all circuits test normal,
replace the B23F Camshaft Position Sensor - Intake or B23E Camshaft
Position Sensor - Exhaust sensor. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
|
