Part 2

AA80E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: P2808: Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4)
P2808 - Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4)

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

Condition (1)

- When one of the following conditions is met: Condition (a), (b), (c), (d), (e), (f), (g) or (h)

Condition (a)

Condition (b)

Condition (c)

Condition (d)

Condition (e)

Condition (f)

Condition (g)

Condition (h)

Condition (2)

- When all conditions below are met: Condition (a), (b), (c), (d), (e), (f), (g) and (h)

Condition (a)

Condition (b)

Condition (c)

Condition (d)

Condition (e)

Condition (f)

Condition (g)

Condition (h)

ON malfunction (D)

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

Condition (1)

- When one of the following conditions is met: Condition (a), (b), (c), (d), (e), (f), (g) or (h)

Condition (a)

Condition (b)

Condition (c)

Condition (d)

Condition (e)

Condition (f)

Condition (g)

Condition (h)

Condition (2)

- When all conditions below are met: Condition (a), (b), (c), (d), (e), (f), (g) and (h)

Condition (a)

Condition (b)

Condition (c)

Condition (d)

Condition (e)

Condition (f)

Condition (g)

Condition (h)

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) or (D)

2 detections are necessary per driving cycle:

1st detection: temporary flag ON

2nd detection: pending fault code ON

ON malfunction (A) and (B)

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

Condition (1)

Condition (2)

ON malfunction (C) and (D)

- 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 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 P0796, P2714 and P2808 are output, perform troubleshooting for those DTCs first.

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

C -- GO TO DTC P0796 FLOWCHART P0796

B -- INSPECT SHIFT SOLENOID VALVE SL4
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 SL4

(a) Remove the shift solenoid valve SL4 .

(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 SLT
OK -- Continue to next step.

5. 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.

6. 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