- DTC judgment completed
- System normal
| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001FONW |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: P271312; Pressure Control Solenoid "D" Circuit Short to Battery; 2019 - 2025 MY RAV4 [11/2018 - ] | ||
|
DTC |
P271312 |
Pressure Control Solenoid "D" Circuit Short to Battery |
DESCRIPTION
Refer to DTC P27137F.
Click here
![2019 - 2025 MY RAV4 [11/2018 - ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: P27137F; Pressure Control Solenoid "D" Actuator Stuck Off](/t3Portal/stylegraphics/info.gif)
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
Note |
|---|---|---|---|---|---|---|
|
P271312 |
Pressure Control Solenoid "D" Circuit Short to Battery |
While the engine is running, a short to +B is detected in the solenoid (SLT) valve circuit for 1 second or more (1-trip detection logic). |
|
Comes on |
DTC stored |
SAE Code: P2721 |
MONITOR DESCRIPTION
When a short to +B in the solenoid (SLT) valve circuit is detected, the ECM will determine that there is a malfunction, illuminate the MIL and store this DTC.
MONITOR STRATEGY
|
Related DTC |
P2721: Solenoid (SLT) valve/Range check (High current) P2721: Solenoid (SLT) valve/Range check (High voltage) |
|
Required sensors/components |
Solenoid (SLT) valve |
|
Frequency of operation |
Continuous |
|
Duration |
High current: 1 second High voltage: 1.3 seconds |
|
MIL operation |
Immediate |
|
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
All
|
The monitor will run whenever the following DTCs are not stored |
None |
|
Solenoid current cut status |
Not cut |
|
Ignition switch |
ON |
|
Starter |
OFF |
|
Battery voltage |
10.5 V or higher |
High current (A)
|
Battery voltage |
8 V or higher and below 12.499 V |
|
Target current (0.1 seconds or more) |
0.8 A or less |
High current (B)
|
Battery voltage |
12.5 V or higher and below 16 V |
|
Target current (0 seconds or more) |
1 A or less |
High voltage
|
Target current |
0.2 A or higher |
|
Output duty cycle |
10% or more and 90% or less |
TYPICAL MALFUNCTION THRESHOLDS
High current:
-
Any of the following conditions are met: High current (A) or (B)
High current (A)
Battery voltage
8 V or higher and below 12.499 V
Solenoid current
Higher than 0.92 A
High current (B)
Battery voltage
12.5 V or higher and below 16 V
Solenoid current
Higher than 1.1 A
High voltage
|
Solenoid voltage monitor |
No signal |
COMPONENT OPERATING RANGE
High current
|
Both of the following conditions are met |
(a) and (b) |
|
(a) Battery voltage |
8 V or higher and below 12.499 V |
|
Solenoid current |
0.92 A or less |
|
(b) Battery voltage |
12.5 V or higher and below 16 V |
|
Solenoid current |
1.1 A or less |
High voltage
|
Solenoid voltage monitor |
Signal input |
CONFIRMATION DRIVING PATTERN
HINT:
- After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
-
When clearing the permanent DTCs, refer to the Clear Permanent DTC procedure.
Click here
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 30 seconds or more.
- Turn the ignition switch to ON and turn the Techstream on.
- Start the engine.
-
Wait for 2 seconds or more with the engine running. [*1]
HINT:
[*1]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
- Input the DTC: P271312.
-
Check the DTC judgment result.
Techstream Display
Description
NORMAL
ABNORMAL
- DTC judgment completed
- System abnormal
INCOMPLETE
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
N/A
- Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
Perform the universal trip to clear permanent DTCs.
Click here
-
Perform registration and/or initialization when parts related to the automatic transaxle are replaced.
Click here
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE (SOLENOID (SLT) VALVE) - ECM) |
(a) Disconnect the ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C41-10 (SLT+) or C41-9 (SLT-) - Other terminals |
Always |
10 kΩ or higher |
| NG |
|
|
|
2. |
REPLACE ECM |
(a) Replace the ECM.
Click here
| NEXT |
|
|
3. |
CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) |
(a) Disconnect the transmission wire connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C30-24 (SLT+) or C41-10 (SLT+) - Other terminals |
Always |
10 kΩ or higher |
|
C30-23 (SLT-) or C41-9 (SLT-) - Other terminals |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - ECM) |
|
|
4. |
INSPECT SOLENOID (SLT) VALVE |
|
(a) Remove the solenoid (SLT) valve. Click here
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Solenoid (SLT) valve connector terminal 1 - terminal 2 |
20°C (68°F) |
5.0 to 5.6 Ω |
(c) Connect a positive (+) lead from the battery with a 21 W bulb to terminal 1 and a negative (-) lead to terminal 2 of the solenoid valve connector. Check that the valve moves and makes an operating sound.
OK:
Valve moves and makes an operating sound.
| OK |
|
REPAIR OR REPLACE TRANSMISSION WIRE
|
| NG |
|
REPLACE SOLENOID (SLT) VALVE
|
|
|