Lexus ES: Transmission Range Sensor "A" Circuit Open (P070513,P070562)
DESCRIPTION
The park/neutral position switch assembly detects the shift position and sends signals to the ECM.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P070513 | Transmission Range Sensor "A" Circuit Open | All switches are off simultaneously for NSW, P, R, N and D for 1 minute or more (2 trip detection logic). |
| Comes on | DTC stored | SAE Code: P0705 |
| P070562 | Transmission Range Sensor "A" Signal Compare Failure | Either of the following conditions A or B is met (2 trip detection logic): A. One of the following conditions (a), (b) or (c) is met for 2 seconds or more: (a) Any 2 or more of the following signals are on simultaneously:
(b) Any 2 or more of the following signals are on simultaneously:
(c) Any 2 or more of the following signals are on simultaneously:
B. Any of the following conditions is met for 2 seconds or more with the shift lever in S:
|
| Comes on | DTC stored | SAE Code: P0705 |
MONITOR DESCRIPTION
These DTCs indicate a problem with the park/neutral position switch assembly and the wire harness in the park/neutral position switch assembly circuit.
The park/neutral position switch assembly detects the shift lever position and sends a signal to the ECM.
For security, the park/neutral position switch assembly detects the shift lever position so that the engine can be started only when the shift lever is in P or N.
The park/neutral position switch assembly sends a signal to the ECM according to the shift lever position (P, R, N, D or S). The ECM determines that there is a problem with the switch or related parts if it receives more than 1 position signal simultaneously. The ECM will then illuminate the MIL and store a DTC.
MONITOR STRATEGY
| Related DTCs | P0705: Transmission range switch verify switch input |
| Required Sensors/Components (Main) | Park/Neutral position switch assembly |
| Required Sensors/Components (Related) | - |
| Frequency of Operation | Continuous |
| Duration | 2 seconds: Case 1 and 3 60 seconds: Case 2 |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
Case 1 and 2| Monitor runs whenever the following DTCs are not stored | None |
| All of the following conditions are met | - |
| Battery voltage | 8 V or higher |
| Engine switch | On (IG) |
| Starter | Off |
| Monitor runs whenever the following DTCs are not stored | None |
| All of the following conditions are met | - |
| Battery voltage | 8 V or higher |
| Engine switch | On (IG) |
| Starter | Off |
| One of the following conditions is met | (a), (b), (c) or (d) |
| (a) Park position switch | On |
| (b) Neutral position switch | On |
| (c) Park/Neutral position switch | On |
| (d) R range position switch | On |
TYPICAL MALFUNCTION THRESHOLDS
Case 1| Any two of the following conditions are met | 1, 2 and 3 |
| 1. One of the following conditions is met | (a), (b) or (c) |
| (a) Park position switch | On |
| (b) Neutral position switch | On |
| (c) Park/Neutral position switch | On |
| 2. R range position switch | On |
| 3. D range position switch | On |
| All of the following conditions are met | - |
| Park position switch | Off |
| Neutral position switch | Off |
| Park/Neutral position switch | Off |
| R range position switch | Off |
| D range position switch | Off |
| S range position switch | On |
CONFIRMATION DRIVING PATTERN
HINT:
-
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
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-
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Click here
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the engine switch off and wait for at least 30 seconds.
- Turn the engine switch on (IG) [A].
- Turn the Techstream on.
- Move the shift lever to R and wait 2 seconds or more [B].
- Move the shift lever to N and wait 2 seconds or more [C].
- Move the shift lever to D and wait 2 seconds or more [D].
- Move the shift lever to S and wait 2 seconds or more [E].
- Move the shift lever to P and wait 2 seconds or more [F].
- Wait 1 minute or more [G].
- Enter the following menus: Powertrain / Engine / Trouble Codes [H].
-
Read the pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P070513 or P070562.
-
Check the DTC judgment result.
Techstream Display
Description
NORMAL
- DTC judgment completed
- System normal
ABNORMAL
- DTC judgment completed
- System abnormal
INCOMPLETE
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
HINT:
- If the judgment result is NORMAL, the system is normal.
- If the judgment result is ABNORMAL, the system is malfunctioning.
- If the judgment result is INCOMPLETE, perform steps [B] through [H] again.
-
[A] to [H]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
DATA LIST
(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 / Engine / Data List / Shift SW Status (P Range), Shift SW Status (R Range), Shift SW Status (N Range), Shift SW Status (N,P Range), Shift SW Status (S Range) and Shift SW Status (D Range).
Powertrain > Engine > Data List| Tester Display |
|---|
| Shift SW Status (P Range) |
| Shift SW Status (R Range) |
| Shift SW Status (N Range) |
| Shift SW Status (N,P Range) |
| Shift SW Status (S Range) |
| Shift SW Status (D Range) |
(e) Read the values displayed on the Techstream.
| Techstream Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Shift SW Status (P Range) | Park/Neutral position switch assembly status: ON or OFF |
| - |
| Shift SW Status (R Range) | Park/Neutral position switch assembly status: ON or OFF |
| - |
| Shift SW Status (N Range) | Park/Neutral position switch assembly status: ON or OFF |
| - |
| Shift SW Status (N,P Range) | Park/Neutral position switch assembly status: ON or OFF |
| - |
| Shift SW Status (S Range) | Transmission control switch status: ON or OFF |
| - |
| Shift SW Status (D Range) | Park/Neutral position switch assembly status: ON or OFF |
| - |
PROCEDURE
| 1. | READ VALUE USING TECHSTREAM (NEUTRAL POSITION SW AND SHIFT SW STATUS) |
(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 / Engine / Data List / Neutral Position SW, Shift SW Status (P Range), Shift SW Status (R Range), Shift SW Status (N Range), Shift SW Status (N,P Range) and Shift SW Status (D Range).
Powertrain > Engine > Data List| Tester Display |
|---|
| Neutral Position SW |
| Shift SW Status (P Range) |
| Shift SW Status (R Range) |
| Shift SW Status (N Range) |
| Shift SW Status (N,P Range) |
| Shift SW Status (D Range) |
(e) According to the display on the Techstream, read the Data List.
OK:
| Techstream Display | Shift Lever Position | Specified Condition |
|---|---|---|
| Neutral Position SW | P or N | ON |
| Except P or N | OFF | |
| Shift SW Status (P Range) | P | ON |
| Except P | OFF | |
| Shift SW Status (R Range) | R | ON |
| Except R | OFF | |
| Shift SW Status (N Range) | N | ON |
| Except N | OFF | |
| Shift SW Status (N,P Range) | P or N | ON |
| Except P or N | OFF | |
| Shift SW Status (D Range) | D or S | ON |
| Except D or S | OFF |
| NG | .gif) | GO TO STEP 6 |
|
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| 2. | READ VALUE USING TECHSTREAM (SHIFT SW STATUS (S RANGE)) |
(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 / Engine / Data List / Shift SW Status (S Range).
Powertrain > Engine > Data List| Tester Display |
|---|
| Shift SW Status (S Range) |
(e) According to the display on the Techstream, read the Data List.
OK:
| Techstream Display | Shift Lever Position | Specified Condition |
|---|---|---|
| Shift SW Status (S Range) | S | ON |
| Except S | OFF |
| OK | | CHECK FOR INTERMITTENT PROBLEMS |
|
| 3. | INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY (TRANSMISSION CONTROL SWITCH) |
(a) Inspect the transmission control switch.
Click here
| NG | | REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY (TRANSMISSION CONTROL SWITCH) |
|
| 4. | CHECK TERMINAL VOLTAGE (POWER SOURCE OF TRANSMISSION CONTROL SWITCH) |
| *a | Front view of wire harness connector (to Transmission Control Switch) |
(a) Disconnect the transmission control switch connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G26-4 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION CONTROL SWITCH POWER SOURCE CIRCUIT) |
|
| 5. | CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM) |
(a) Disconnect the transmission control switch 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 |
|---|---|---|
| G26-5 (S) - A25-17 (S) | Always | Below 1 Ω |
| G26-5 (S) or A25-17 (S) - Body ground and other terminals | Always | 10 kΩ or higher |
| OK | | REPLACE ECM |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
| 6. | CHECK TERMINAL VOLTAGE (POWER SOURCE OF PARK/NEUTRAL POSITION SWITCH ASSEMBLY) |
| *a | Front view of wire harness connector (to Park/Neutral Position Switch Assembly) |
(a) Disconnect the park/neutral position switch assembly connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| C31-1 (RB) - Body ground | Engine switch on (IG) | 11 to 14 V |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY POWER SOURCE CIRCUIT) |
|
| 7. | INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
(a) Inspect the park/neutral position switch assembly.
Click here
| NG | | REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
|
| 8. | CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM) |
(a) Disconnect the park/neutral position switch assembly 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 |
|---|---|---|
| C31-4 (B) - C32-106 (NSW) | Always | Below 1 Ω |
| C31-7 (DL) - C32-139 (D) | Always | Below 1 Ω |
| C31-8 (NL) - C32-140 (N) | Always | Below 1 Ω |
| C31-2 (RL) - C32-107 (R) | Always | Below 1 Ω |
| C31-3 (PL) - C32-108 (P) | Always | Below 1 Ω |
| C31-4 (B) or C32-106 (NSW) - Body ground and other terminals | Always | 10 kΩ or higher |
| C31-7 (DL) or C32-139 (D) - Body ground and other terminals | Always | 10 kΩ or higher |
| C31-8 (NL) or C32-140 (N) - Body ground and other terminals | Always | 10 kΩ or higher |
| C31-2 (RL) or C32-107 (R) - Body ground and other terminals | Always | 10 kΩ or higher |
| C31-3 (PL) or C32-108 (P) - Body ground and other terminals | Always | 10 kΩ or higher |
| OK | | REPLACE ECM |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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