Toyota 84520-42010
Neutral Safety Switch

The first step to remove the Neutral Safety Switch from the U241E AUTOMATIC TRANSAXLE is battery removal. The second step requires removing the Number 2 battery carrier. The next step requires disconnecting the connector from the assembly located at the park/neutral position switch. The transmission control cable assembly requires removal from the control shaft lever after releasing its connecting nut followed by removing the control shaft lever itself and its nut. The screwdriver helps you detach the lock plate while another screwdriver removes both the lock plate and manual valve shaft along with its nut. The procedure ends by taking out the two bolts and extracting the park/neutral position switch assembly from the manual valve lever shaft position.

The removal process for the Neutral Safety Switch on the U341E AUTOMATIC TRANSAXLE begins with the removal of ENGINE UNDER COVER LH. To separate the TRANSMISSION CONTROL CABLE ASSEMBLY begin by removing its nut then disconnect it from the control shaft lever and clip from the control cable bracket. The next step consists of removing the PARK/NEUTRAL POSITION SWITCH ASSEMBLY after disconnecting its connector and separating the nut, washer and control shaft lever. The lock plate must be pried apart leaving room to remove the manual valve shaft nut before using a screwdriver to eliminate the 2 bolts necessary for pulling out the position switch assembly.

First disconnect the negative battery cable then wait 90 seconds before starting to remove the Neutral Safety Switch from the U241E AUTOMATIC TRANSAXLE because this prevents Air Bag and seat belt pretensioners from activating. The following step requires removal of the ENGINE UNDER COVER LH. Begin the TRANSMISSION CONTROL CABLE ASSEMBLY disconnection process by unscrewing the nut from the control shaft lever followed by a removal of the control cable from the lever and removal of the clip for separation from the control cable bracket. To remove the PARK/NEUTRAL POSITION SWITCH ASSEMBLY begin by disconnecting the switch connector then unfasten the nut and washer followed by the control shaft lever and use a screwdriver to sever the lock plate from the nut and plate and remove the 2 bolts which extract the position switch.

Starting the replacement of the Neutral Safety Switch on the U241E AUTOMATIC TRANSAXLE requires the removal of both the battery and the No. 2 battery carrier. Remove the No. 2 battery carrier as the next step of your process. Disconnect the connector located at the park/neutral position switch assembly. Before removal the transmission control cable assembly requires separation from the control shaft lever by removing its nut and shaft lever. Insert a screwdriver to remove the lock plate which you will need to pry again for removing both the manual valve shaft nut and lock plate. Remove the 2 bolts before pulling the park/neutral position switch assembly out from the manual valve lever shaft.

You should begin the process of removing the Neutral Safety Switch from the U341E AUTOMATIC TRANSMISSION / TRANSAXLE by first taking off the ENGINE UNDER COVER LH. The next step involves removing the TRANSMISSION CONTROL CABLE ASSEMBLY by uninstalling the nut and detaching its controls from the control shaft lever before extracting a clip to detach it from the control cable bracket. The park/neutral position assembly removal requires workers to disconnect its connector then unfasten the nut and washer before control shaft lever removal. Next, the workers must pry out the lock plate to remove the manual valve shaft nut followed by 2 bolt removal to extract the assembly.

The first step to repair or service a A750E AUTOMATIC TRANSMISSION Neutral Safety Switch is to disconnect the negative cable from the battery terminal. Remove the PARK/NEUTRAL POSITION SWITCH CONNECTOR as the next procedure step. The bolt and park/neutral position switch may be extracted by first using a screwdriver to pry out the lock washer then unscrewing the lock nut and washer before removing the assembly.

The first step to remove the Neutral Safety Switch from the U140F AUTOMATIC TRANSMISSION / TRANSAXLE requires disconnecting the cable from the negative battery terminal. The first action entails removing both the battery and battery carrier from these components. Multiple steps are needed to separate the transmission control cable assembly by first removing the nut which disconnects it from the control shaft lever and secondly removing the clip which disconnects it from the control cable bracket. To unmount the park/neutral position switch assembly first detach its connector then loosen the nut while removing the washer and control shaft lever afterwards unscrew the lock plate with a screwdriver before taking out both the lock plate and nut. To finish the operation remove the two bolts followed by pulling out the switch.

A service professional should start by disconnecting the negative cable of the battery before working on the A340E AUTOMATIC TRANSMISSION Neutral Safety Switch. The second step requires removal of the PARK/NEUTRAL POSITION SWITCH CONNECTOR. Start by unstaking the lock washer using a screwdriver until it frees from its position. After that remove the nut, lock washer and grommet from the assembly. Finish the procedure by taking out the bolt and park/neutral position switch.

Before servicing the A340E AUTOMATIC TRANSMISSION Neutral Safety Switch, the first step must be to disconnect the negative battery cable. Following that disconnect the PARK/NEUTRAL POSITION SWITCH CONNECTOR. Proceed by unstaking the lock washer with a screwdriver to remove the PARK/NEUTRAL POSITION SWITCH ASSEMBLY after which you must detach the nut and both lock washer and grommet. End the procedure by taking out the bolt and park/neutral position switch.

The first step to remove the Neutral Safety Switch from the U340E AUTOMATIC TRANSAXLE involves disconnecting the negative battery terminal cable. The next step involves the removal of the left-hand side engine under cover. You need to disassemble the transmission control cable assembly by first taking off the nut before unconnecting the control cable from the control shaft lever. Then remove the clip to separate the control cable from the control cable bracket. To proceed, disconnect the park/neutral position switch assembly connector then remove the nut followed by the washer and control shaft lever. The lock plate requires prying to remove and the manual valve shaft nut requires removal too. First, unwrap the manual valve shaft nut and then remove the two bolts to pull out the park/neutral position switch assembly.

Attach the assembly to the manual valve shaft, temporarily install the 2 bolts, place a new lock plate, and tighten the nut to a torque of 6.9 Nm (70 kgf-cm, 61 inch lbs.).

Install the control shaft lever along with the washer and nut, tightening to a torque of 13 Nm (132 kgf-cm, 10 ft-lbf).

Proceed to install the No. 2 battery carrier, followed by the battery.

Remove the No. 2 battery carrier.

Using a screwdriver, stake the nut with the lock plate.

Tighten to 13 Nm (129 kgf-cm, 9 ft-lbf).

Remove the engine under cover LH.

Reinstall the engine under cover LH, adjust the shift lever position, and inspect both the shift lever position and the park/neutral position switch assembly.

Disconnect the cable from the negative battery terminal and wait at least 90 seconds to prevent airbag and seat belt pretensioner activation.

Disconnect the connector from the assembly, then remove the nut, washer, and control shaft lever.

The neutral safety switch ensures that the vehicle can only be started when it is in the park or neutral position.

Provisionally install the 2 bolts.

Tighten the bolt to a torque of 13 Nm (129 kgf-cm, 9.4 ft-lbf).

Replace the lock plate with a new one and tighten the manual valve shaft nut to a torque of 6.9 Nm (70 kgf-cm, 61 in-lbf).

Attach the cable to the negative battery terminal, tightening to 3.9 Nm (40 kgf-cm, 35 in-lbf).

First, attach the switch to the manual valve shaft and temporarily install the 2 bolts.

Conduct a test drive of the vehicle.

Take off the nut, then remove the nut, washer, and control shift lever. Use a screwdriver to pry off the lock plate, followed by removing the nut and lock plate, and finally, take out the two bolts.

Reconnect the park/neutral position switch connector, connect the cable to the negative battery terminal with a torque of 3.9 N*m (40 kgf*cm, 35 in.*lbf), perform initialization, inspect the shift lever position, adjust if necessary, and inspect the park/neutral position switch assembly.

Take off the nut, then remove the nut, washer, and control shift lever. Use a screwdriver to pry off the lock plate, followed by removing the nut and lock plate, and finally, take out the 2 bolts.

Install a new lock washer and the nut, torquing it to 6.9 Nm (70 kgf-cm, 61 inch lbs.).

Align the neutral basic line with the switch groove.

Disconnect the cable from the negative battery terminal, remove the engine under cover LH, separate the transmission control cable assembly by removing the nut and clip, disconnect the connector from the park/neutral position switch assembly, remove the nut, washer, and control shaft lever, pry out the lock plate, remove the manual valve shaft nut, and pull out the switch assembly.

Disconnect the cable from the negative battery terminal.

Remove the engine under cover on the left-hand side.

Unstake the lock washer with a screwdriver, remove the nut, lock washer, and grommet, followed by the bolt and switch.

Disconnect the cable from the negative battery terminal and the park/neutral position switch connector.

Use a screwdriver to stake the nut with the lock plate.

Check the park/neutral position operation to ensure the engine can only be started with the shift lever in the N or P position.

Torque it to 13 Nm (130 kgf-cm, 10 ft. lbs.).

Connect the park/neutral position switch connector.

Loosen the bolt, set the shift lever to the N position, align the groove with the neutral basic line, hold the switch in position, and tighten the bolt to a torque of 13 N*m (130 kgf*cm, 9 ft.*lbf), then perform the inspection again.