P2829
K41B CVT: CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: P0841, P2829: Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance
P2829 - Pressure Control Solenoid "K" Performance (Shift Solenoid Valve SLS)
DESCRIPTION
The ECM controls the secondary oil pressure calibration based on the secondary oil pressure signal detected by the oil pressure sensor.
MONITOR DESCRIPTION
The ECM checks for belt clamping high-pressure or low-pressure errors. When a mechanical malfunction is detected at the belt clamping pressure liner solenoid SLS and at the oil pressure sensor, the ECM detects the problem, illuminates the MIL and stores the DTC.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
All
P0841 and P2829 (OFF malfunction):
P2829 (ON malfunction):
TYPICAL MALFUNCTION THRESHOLDS
P0841 and P2829 (OFF malfunction):
Following conditions are met:
P2829 (ON malfunction):
2 detections are necessary per driving cycle:
1st detection: temporary flag ON
2nd detection: pending fault code ON
COMPONENT OPERATING RANGE
P0841:
Following conditions are met:
P2829:
INSPECTION PROCEDURE
NOTICE:
Perform the universal trip to clear permanent DTCs Reading and Clearing Diagnostic Trouble Codes.
PROCEDURE
1. CHECK OTHER DTCS OUTPUT (IN ADDITION TO DTC P0841 AND P2829)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / DTC / Current or Pending.
(e) Read the DTCs using the Techstream.
Result
B -- GO TO DTC CHART K41B Continuously Variable Transmission/Transaxle, CVT
A -- Continue to next step.
2. READ VALUE USING TECHSTREAM (A/T OIL PRESSURE)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Data List.
(e) In accordance with the display on the Techstream, read the Data List.
Result
B -- CHECK INTERMITTENT PROBLEMS Electronic Circuit Inspection Procedure
A -- Continue to next step.
3. REPLACE OIL PRESSURE SENSOR
(a) Replace the oil pressure sensor Removal.
NEXT -- Continue to next step.
4. CLEAR DTC P0741
NEXT -- Continue to next step.
5. PERFORM INITIALIZATION
(a) Perform the initialization Programming and Relearning.
NEXT -- Continue to next step.
6. CHECK DTC OUTPUT
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / DTC / Current or Pending.
(e) Read the DTCs using the Techstream.
Result
B -- END
A -- Continue to next step.
7. REPLACE ECM P0705
NEXT -- Continue to next step.
8. PERFORM INITIALIZATION
(a) Perform the initialization Programming and Relearning.
NEXT -- Continue to next step.
9. CHECK DTC OUTPUT
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / DTC / Current or Pending.
(e) Read the DTCs using the Techstream.
Result
B -- END
A -- Continue to next step.
10. REPLACE CONTINUOUSLY VARIABLE TRANSAXLE ASSEMBLY P0711
NEXT -- Continue to next step.
11. CLEAR DTC P0741
NEXT -- Continue to next step.
12. PERFORM INITIALIZATION P0705
NEXT -- END