Toyota Venza: Parking Brake System
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Parking Brake System|
Symptom |
Suspected Area |
See page |
|---|---|---|
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Parking brake drag |
Parking brake pedal travel (Out of adjustment) |
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Parking brake cable (Sticking) |
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Parking brake shoe clearance (Out of adjustment) |
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Parking brake shoe lining (Cracked or distorted) |
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Tension or return spring (Damaged) |
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Adjustment
ADJUSTMENT
PROCEDURE
1. INSPECT PARKING BRAKE PEDAL TRAVEL
(a) Fully depress the parking brake pedal to engage the parking brake.
(b) Depress the pedal again to disengage the parking brake.
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(c) Slowly depress the parking brake pedal using the specified force, and count the number of clicks. Parking brake pedal travel: 4 to 6 notches at 300 N (31 kgf, 67.5 lbf) If the parking brake pedal travel is not as specified, adjust the parking brake shoe clearance and parking brake pedal travel. |
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2. ADJUST PARKING BRAKE SHOE CLEARANCE AND PARKING BRAKE PEDAL TRAVEL
(a) Completely release the parking brake pedal.
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(b) Loosen the lock nut and No. 1 wire adjusting nut to completely release the parking brake cable. Text in Illustration
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(c) Remove the rear wheel.
(d) Temporarily install the 5 hub nuts.
(e) Remove the shoe adjusting hole plug.
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(f) Turn the shoe adjuster and expand the shoe until the disc locks. |
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(g) Turn and contract the shoe adjuster until the disc can rotate smoothly.
Standard:
Returns 8 notches.
(h) Check that there is no brake drag against the shoe.
(i) Install the shoe adjusting hole plug.
(j) Turn the adjusting nut until the parking brake pedal travel is corrected to be within the specified range.
Parking brake pedal travel:
4 to 6 notches at 300 N (31 kgf, 67.5 lbf)
(k) Using a wrench or an equivalent tool, hold the adjusting nut and tighten the lock nut.
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
(l) Operate the parking brake pedal 3 to 4 times, and check the parking brake pedal travel.
(m) Check that there is no brake drag against the shoe.
(n) Remove the 5 hub nuts.
(o) Install the rear wheel.
Torque:
103 N·m {1050 kgf·cm, 76 ft·lbf}
3. INSPECT BRAKE WARNING LIGHT
(a) When operating the parking brake pedal, check that the brake warning light illuminates.
Standard:
The brake warning light always illuminates at the first notch.
Installation
INSTALLATION
PROCEDURE
1. INSTALL PARKING BRAKE SWITCH ASSEMBLY
(a) Install the parking brake switch assembly with the screw.
Torque:
0.9 N·m {9 kgf·cm, 8 in·lbf}
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Other materials about Toyota Venza:
Crankshaft Position Sensor "A" Circuit (P0335,P0339)
DESCRIPTION
The crankshaft position sensor system consists of a crank angle sensor plate
and a pickup coil.
The sensor plate has 34 teeth and is installed on the crankshaft. The pickup
coil is made of wound copper wire, an iron core and magnet. The senso ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before proceeding to the next
step.
2. CHECK DLC3
(a) The ECU uses ISO 15765-4 for communication. The terminal arrangement of the ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the windshield deicer system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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