Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

1. THROTTLE SENSOR (METHOD WITH CIRCUIT TESTER)

1. Disconnect the ground terminal from battery sensor. NOTE

2. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in the figure.

3. Attach the ST between the ECM, engine harness and the bulkhead wiring harness. General Description > CAUTION

ST 18460AA050CHECK BOARD

4. Connect the ground terminal to battery sensor. NOTE

5. Turn the ignition switch to ON. (Engine OFF)

6. Measure the voltage between ECM connector terminals using ST.

(A)

To the check board connector (ECM connector)

Throttle sensor

Accelerator pedal

Terminal No.

Standard

Main

Not depressed (full closed)

29 (+) and 34 (−)

Approx. 0.6 — 1.2 V

Depressed (full opened)

Approx. 3.8 — 4.4 V

Sub

Not depressed (full closed)

31 (+) and 34 (−)

Approx. 1.4 — 2.0 V

Depressed (full opened)

Approx. 4.0 — 4.6 V

7. After inspection, install the related parts in the reverse order of removal.

2. THROTTLE SENSOR (METHOD WITH SUBARU SELECT MONITOR)

1. Turn the ignition switch to ON. (Engine OFF)

2. Read the throttle opening angle signal and voltage of throttle sensor using Subaru Select Monitor. Subaru Select Monitor > OPERATION

Throttle sensor

Throttle opening angle signal

Standard

Main

0.0%

Approx. 0.6 — 1.2 V

100.0%

Approx. 3.8 — 4.4 V

Sub

0.0%

Approx. 1.4 — 2.0 V

100.0%

Approx. 4.0 — 4.6 V

3. OTHER INSPECTIONS

1. Check that the throttle body has no deformation, cracks or other damages.

2. Check that the preheater hose has no cracks, damage or loose part.

Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Engine Coolant > REPLACEMENT3. Remove the clip (A), and loosen the clamps ...

Installation
1. Install the throttle body to the intake manifold assembly.NOTE:Use a new gasket.Tightening torque:8 N·m (0.8 kgf-m, 5.9 ft-lb)2. Connect the connector to the throttle position sensor.3. Conn ...

Other materials:

Disassembly
1. Disconnect the terminal M from the magnet switch assembly.2. Remove the magnet switch assembly from the starter housing assembly.3. Remove screws (A) and bolts (B) of the brush holder assembly, and remove the starter cover assembly.4. Remove the brush holder assembly from the armature assembly.NO ...

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