Toyota RAV4 manuals

Toyota Sienna Service Manual: Master Cylinder Pressure Sensor Malfunction

DTC C1246/46 Master Cylinder Pressure Sensor Malfunction

DESCRIPTION

Master cylinder pressure sensor is connected to the skid control ECU in the actuator.

Master Cylinder Pressure Sensor Malfunction

INSPECTION PROCEDURE

1 READ VALUE ON INTELLIGENT TESTER (MASTER CYLINDER PRESSURE SENSOR)

(a) Connect the intelligent tester to the DLC3.

(b) Start the engine.

(c) Select the DATA LIST mode on the intelligent tester.

ABS / VSC:

(d) Check that the brake fluid pressure value of the master cylinder pressure sensor indicated on the intelligent tester, changes when the brake pedal is depressed.

OK: Brake fluid pressure value should change.

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

2 INSPECT SKID CONTROL ECU (STP1 TERMINAL)

INSPECT SKID CONTROL ECU (STP1 TERMINAL)

(a) Disconnect the skid control ECU connector.

(b) Measure the voltage according to the value(s) in the table below

Standard voltage

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

Low Battery Positive Voltage
DTC C1241/41 Low Battery Positive Voltage DESCRIPTION WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT ECU-IG FUSE (a) Remove the ECU-IG fuse from the driver side J/B. (b) Check continu ...

Open in Stop Light Switch Circuit
DTC C1249/49 Open in Stop Light Switch Circuit DESCRIPTION WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK STOP LIGHT SWITCH OPERATION (a) Check that the stop light comes on when the brak ...

Other materials:

Disassembly
1. REMOVE GENERATOR CLUTCH PULLEY (A) using a screwdriver, remove the generator pulley cap. (b) Set SST (A) and (B). SST 09820-63020 (c) Clamp SST (A) in a vise. NOTICE: Be sure to fix the flat surface of SST (A) in a vise. (d) Place the rotor shaft end int ...

Installation
HINT: Install the RH side by same procedure as the LH side. 1. INSTALL REAR SPEED SENSOR (a) Install the speed sensor rear LH with the bolt. Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) NOTICE: Keep the tip of the speed sensor rear LH clean. (b) Install the sensor harness clamps with the b ...

Inspection
1. INSPECT INVERTER MAIN SWITCH  Inspect the continuity between terminal at the each switch position shown in the chart. If continuity is not as specified, replace the main switch assembly.  Inspect the bulb state when connecting the battery to each terminal ...

В© 2011-2022 Copyright www.tsienna.net