Toyota Sienna Service Manual: Inspection

Toyota Sienna Service Manual / Brake control / Rear disc brake / Inspection

1. INSPECT BRAKE CYLINDER AND PISTON

(a) Check the brake cylinder bore and rear disc brake piston for rust or scoring.

2. INSPECT PAD LINING THICKNESS

INSPECT PAD LINING THICKNESS

(a) Using a ruler, measure the pad lining thickness.

Standard thickness: 11.0mm (0.433 in.) Minimum thickness: 1.0 mm (0.039 in.)

3. INSPECT REAR DISC BRAKE PAD SUPPORT PLATE

(a) Inspect the rear brake disc pad support plate (No. 1) and rear brake disc pad support plate (No. 2). Make sure that they have sufficient rebound, no deformation, cracks or wear, and have had all rust and dirt cleaned off.

4. INSPECT DISC THICKNESS

(a) Using a micrometer, measure the disc thickness.

Standard thickness: 12.0mm (0.472 in.) Minimum thickness: 10.5 mm (0.413 in.)

Disassembly

1. REMOVE CYLINDER BOOT (a) Using a screwdriver, remove the set ring and cylinder boot. 2. REMOVE REAR DISC BRAKE PISTON (a) Place a shop rug, between the rear disc brake piston and the disc ...

Reassembly

1. INSTALL REAR DISC (a) Aligning the matchmarks, install the rear disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily ...

Other materials:

Removal
1. PRECAUTION HINT: See page RS-1 2. SEPARATE BATTERY NEGATIVE TERMINAL 3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 4. REMOVE HORN BUTTON ASSEMBLY (See page RS- 424) 5. REMOVE STEERING WHEEL ASSEMBLY (See page SR-6) 6. REMOVE STEERING COLUMN COVER LWR (See page RS-434) 7. REMOVE SPIRAL CA ...

Check mode procedure
HINT: Check mode has a higher sensitivity to malfunctions and can detect malfunction that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are detected with 1-trip detection logic. Dtc check (check mode) HINT: I ...

On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE) Disconnect the connector from the seat heater control. Measure the voltage and resistance of each terminal of the wire harness side connector. Standard If the result is not as specified, there may be a malfunction on ...