Toyota Yaris: Axle And Differential / Steering Knuckle
Components
COMPONENTS
ILLUSTRATION
*1 | FRONT AXLE HUB SUB-ASSEMBLY | *2 | FRONT DISC BRAKE DUST COVER |
*3 | STEERING KNUCKLE | *4 | FRONT LOWER BALL JOINT ASSEMBLY |
*5 | COTTER PIN | - | - |
| Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf) | ● | Non-reusable part |
Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the steering knuckle removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replacement Part or Procedure | Necessary Procedures | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |
Front wheel alignment adjustment | ECU Data Initialization | Active torque split AWD system |
|
Calibration | -
DTCs are stored
-
Slip indicator light illuminates
-
VSC disabled or malfunctions
|
|
HINT:
-
Use the same procedure for the RH side and LH side.
-
The following procedure is for the LH side.
PROCEDURE
1. REMOVE FRONT AXLE ASSEMBLY
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2. REMOVE FRONT LOWER BALL JOINT ASSEMBLY
Click here
3. REMOVE STEERING KNUCKLE
(a) Secure the front axle assembly between aluminum plates in a vise. NOTICE: Do not overtighten the vise. | |
(b) Remove the 3 bolts, front axle hub sub-assembly and front disc brake dust cover from the steering knuckle.
NOTICE:
-
Do not drop the front axle hub sub-assembly.
-
Be careful not to damage the speed sensor rotor or contact surfaces.
-
Do not allow foreign matter to contact the speed sensor rotor or contact surfaces.
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
-
Use the same procedure for the RH side and LH side.
-
The following procedure is for the LH side.
PROCEDURE
1. INSTALL STEERING KNUCKLE
(a) Secure the steering knuckle between aluminum plates in a vise.
NOTICE:
Do not overtighten the vise.
(b) Install the front axle hub sub-assembly and front disc brake dust cover to the steering knuckle with the 3 bolts.
Torque:
130 N·m {1326 kgf·cm, 96 ft·lbf}
NOTICE:
-
Be careful not to damage the speed sensor rotor or contact surfaces.
-
Do not allow foreign matter to contact the speed sensor rotor or contact surfaces.
2. INSTALL FRONT LOWER BALL JOINT ASSEMBLY
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3. INSTALL FRONT AXLE ASSEMBLY
Click here
ComponentsCOMPONENTS ILLUSTRATION
*1 REAR DRIVE SHAFT OIL SEAL *2 REAR DIFFERENTIAL FILLER PLUG *3 REAR DIFFERENTIAL DRAIN PLUG *4 REAR DIFFERENTIAL CARRIER ASSEMBLY *5 GASKET - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...
Other information:
TERMINALS OF ECM
HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard voltage, resistance and waveform for each pair of the terminals as displayed in the Specified Condition column...
TERMINALS OF ECU CHECK STEREO COMPONENT EQUALIZER ASSEMBLY
Terminal No. (Symbol) Terminal Description Condition Specified Condition O131-15(+B) - O131-30(GND) Power source Always 11 to 14 V O131-29(IGP) - O131-30(GND) Power source (IG) Ignition switch ON 11 to 14 V O131-14(ACC) - O131-30(GND) Power source (ACC) Ignition switch ACC 11 to 14 V O131-30(GND) - Body ground Ground Always Below 1 Ω O132-1(MC1+) - O131-30(GND) Active noise control microphone input signal Active noise control microphone LH tapped with finger Pulse generation O132-5(MC1-) - O131-30(GND) Active noise control microphone input signal Always Below 1 Ω O132-2(MC2+) - O131-30(GND) Active noise control microphone input signal Active noise control microphone RH tapped with finger Pulse generation O132-6(MC2-) - O131-30(GND) Active noise control microphone input signal Always Below 1 Ω O131-3(NEI) - O131-30(GND) Engine pulse signal Idling with warm engine Pulse generation (See waveform 1) O131-24(FLI-) Active noise control microphone output signal - - O131-9(FLI+) Active noise control microphone output signal - - O131-23(FRI-) Active noise control microphone output signal - - O131-8(FRI+) Active noise control microphone output signal - - O131-5(RRI+) Active noise control microphone output signal - - O131-20(RRI-) Active noise control microphone output signal - - O131-6(RLI+) Active noise control microphone output signal - - O131-21(RLI-) Active noise control microphone output signal - - O131-7(ASG1) Shield ground - - O131-22(ASG2) Shield ground - - O131-12(FR+) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-27(FR-) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-13(FL+) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-28(FL-) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-10(RR+) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131+25(RR-) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-11(RL+) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-28(RL-) - O131-30(GND) Sound signal Active noise control system operating Pulse generation O131-1(CANH) CAN communication signal - - O131-16(CANL) CAN communication signal - - (a) Waveform 1 HINT: The oscilloscope waveform shown in the illustration is an example for reference only...