Part 3

AA80E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: P0796: Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3)
P0796 - Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3)

TYPICAL MALFUNCTION THRESHOLDS

OFF malfunction

- When one of following conditions is met: OFF malfunction (A), (B), (C), (D) or (E)

OFF malfunction (A)

- When either condition below is met: Condition (1) or (2)

Condition (1)

Condition (2)

OFF malfunction (B) and (D)

*

OFF malfunction (C)

*

OFF malfunction (E)

*

ON malfunction

- When one of following conditions is met: ON malfunction (A), (B), (C), (D), (E) or (F)

2 detections are necessary per driving cycle:

1st detection: temporary flag ON

2nd detection: pending fault code ON

ON malfunction (A), (B) and (C)

- When either condition below is met: Condition (1) or (2)

Condition (1)

Condition (2)

ON malfunction (D), (E) and (F)

- When either condition below is met: Condition (1) or (2)

Condition (1)

Condition (2)

INSPECTION PROCEDURE

NOTICE:
Perform the universal trip to clear permanent DTCs .

PROCEDURE

1. CHECK DTC OUTPUT (IN ADDITION TO DTC P0771, P0796, P2714 AND P2808)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / ECT / Trouble Codes.

(e) Read the DTCs using the Techstream.

Result:

HINT
If any other codes besides P0771, P0776 and P2714 are output, perform troubleshooting for those DTCs first.

D -- GO TO DTC CHART Automatic Transmission System - AA80E

C -- CLEAR DTC AND PERFORM STALL SPEED TEST

B -- CLEAR DTC AND PERFORM STALL SPEED TEST
A -- Continue to next step.

2. CLEAR DTC AND PERFORM STALL SPEED TEST

(a) Clear the DTCs .

HINT
Write down the currently output DTCs before clearing them.

(b) Perform the stall speed test .

Result:

B -- INSPECT SHIFT SOLENOID VALVE SLT
A -- Continue to next step.

3. INSPECT SHIFT SOLENOID VALVE SR AND SHIFT SOLENOID VALVE SL3

(a) Check the shift solenoid valve SR.

(1) Remove the shift solenoid valve SR .

(2) Measure the resistance of the shift solenoid valve.

Standard resistance:

(3) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating sound.

OK:

Valve moves and makes operating sound.

(b) Check the shift solenoid valve SL3.

(1) Remove the shift solenoid valve SL3 .

(2) Measure the resistance of the shift solenoid valve.

Standard resistance:

(3) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.

OK:

Valve moves and makes operating sound.

Result:

C -- REPLACE SHIFT SOLENOID VALVE SL3

B -- REPLACE SHIFT SOLENOID VALVE SR

A -- INSPECT TRANSMISSION VALVE BODY ASSEMBLY

4. CLEAR DTC AND PERFORM STALL SPEED TEST

(a) Clear the DTCs .

HINT
Write down the currently output DTCs before clearing them.

(b) Perform the stall speed test .

Result:

B -- INSPECT SHIFT SOLENOID VALVE SLT

A -- INSPECT SHIFT SOLENOID VALVE SL3

5. CLEAR DTC AND PERFORM STALL SPEED TEST

(a) Clear the DTCs .

HINT
Write down the currently output DTCs before clearing them.

(b) Perform the stall speed test .

Result:

B -- INSPECT SHIFT SOLENOID VALVE SLT
A -- Continue to next step.

6. CLEAR DTC AND PERFORM RUNNING TEST

(a) Clear the DTCs .

HINT
Write down the currently output DTCs before clearing them.

(b) Start the engine, drive the vehicle and perform the inspection.

Result:

B -- INSPECT SHIFT SOLENOID VALVE SL4
A -- Continue to next step.

7. INSPECT SHIFT SOLENOID VALVE SL3

(a) Remove the shift solenoid valve SL3 .

(b) Measure the resistance of the shift solenoid valve.

Standard resistance:

(c) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.

OK:

Valve moves and makes operating sound.

NG -- REPLACE SHIFT SOLENOID VALVE SL3
OK -- Continue to next step.

8. INSPECT TRANSMISSION VALVE BODY ASSEMBLY

(a) Check the transmission valve body assembly .

OK:

There are no foreign objects on any valve.

NG -- REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY
OK -- Continue to next step.

9. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY

(a) Check the torque converter clutch assembly .

OK:

The torque converter clutch operates normally.

NG -- REPLACE TORQUE CONVERTER CLUTCH ASSEMBLY

OK -- REPAIR OR REPLACE AUTOMATIC TRANSMISSION ASSEMBLY

10. INSPECT SHIFT SOLENOID VALVE SLT

(a) Remove the shift solenoid valve SLT .

(b) Measure the resistance of the shift solenoid valve.

Standard resistance: