Part 2
AA80E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: P0746: Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1)
P0746 - Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1)
Continued
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 both conditions below are met: OFF malfunction (A) and OFF malfunction (B), (C), (D), (E), (F) or (G)
OFF malfunction (A)
OFF malfunction (B)
OFF malfunction (C)
OFF malfunction (D)
OFF malfunction (E)
OFF malfunction (F)
OFF malfunction (G)
ON malfunction
- When both conditions below are met: ON malfunction (A) and ON malfunction (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)
ON malfunction (B)
- When either condition below is met: Condition (1) or (2)
Condition (1)
Condition (2)
ON malfunction (C)
- When either condition below is met: Condition (1) or (2)
Condition (1)
Condition (2)
ON malfunction (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 DTC Check / Clear.
PROCEDURE
1. CHECK DTC OUTPUT (IN ADDITION TO DTC P0746, P0873 AND P2714)
(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 P0746, P0873 and P2714 are output, perform troubleshooting for those DTCs first.
C -- GO TO DTC CHART Automatic Transmission System - AA80E
B -- GO TO DTC P0873 FLOWCHART
A -- Continue to next step.
2. CLEAR DTC AND PERFORM RUNNING TEST
(a) Clear the DTCs DTC Check / Clear.
HINT
Write down the currently output DTCs before clearing them.
(b) Start the engine, drive at a low speed and perform the inspection.
Result:
B -- INSPECT SHIFT SOLENOID VALVE SLT
A -- Continue to next step.
3. INSPECT SHIFT SOLENOID VALVE SL1
(a) Remove the shift solenoid valve SL1 AA80E Automatic Transmission.
(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.
Result:
B -- INSPECT TRANSMISSION VALVE BODY ASSEMBLY
A -- REPLACE SHIFT SOLENOID VALVE SL1 AA80E Automatic Transmission
4. INSPECT SHIFT SOLENOID VALVE SLT
(a) Remove the shift solenoid valve SLT AA80E Automatic Transmission.
(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 AA80E Automatic Transmission
OK -- Continue to next step.
5. INSPECT TRANSMISSION VALVE BODY ASSEMBLY
(a) Check the transmission valve body assembly AA80E Automatic Transmission.
OK:
There are no foreign objects on any valve.
NG -- REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY AA80E Automatic Transmission
OK -- Continue to next step.
6. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY
(a) Check the torque converter clutch assembly AA80E Automatic Transmission.
OK:
The torque converter clutch operates normally.
NG -- REPLACE TORQUE CONVERTER CLUTCH ASSEMBLY
OK -- REPAIR OR REPLACE AUTOMATIC TRANSMISSION ASSEMBLY Removal