Toyota Yaris: Wiper Ecu / Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
When the cable is disconnected/reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
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Learning completes when vehicle is driven
| Effect/Inoperative Function When Necessary Procedures are not Performed | Necessary Procedures | Link |
| Lane tracing assist system | Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more. |
|
| Pre-collision system |
| Stop and start system | Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) |
|
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Learning completes when vehicle is operated normally
| Effect/Inoperative Function When Necessary Procedures are not Performed | Necessary Procedures | Link |
| Power door lock control system | Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch. |
|
| Air conditioning system | After the ignition switch is turned to ON, the servo motor standard position is recognized. | - |
PROCEDURE
1. PRECAUTION
NOTICE:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
Click here
2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
Click here
3. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY
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4. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
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5. REMOVE POWER DISTRIBUTION BOX ASSEMBLY WITH MULTIPLEX NETWORK BODY ECU
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6. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY
| (a) Disconnect the 2 connectors. | |
(b) Remove the bolt.
(c) Disengage the guide to remove the windshield wiper relay assembly.
COMPONENTS ILLUSTRATION
*1 WINDSHIELD WIPER RELAY ASSEMBLY *2 POWER DISTRIBUTION BOX ASSEMBLY WITH MULTIPLEX NETWORK BODY ECU *3 NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY - -
N*m (kgf*cm, ft...
INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER RELAY ASSEMBLY (a) Engage the guides to install the windshield wiper relay assembly.
(b) Install the bolt...
Other information:
MONITOR DESCRIPTION DTC P063051 is stored when the Vehicle Identification Number (VIN) is not stored in the ECM or the stored VIN is not accurate. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P063051 VIN Not Programmed Either of the following conditions is met (1 trip detection logic):
The VIN is not stored in the ECM...
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply)
Insufficient compression
Changes in load from another system
Ignition system
Spark plug
Ignition coil assembly
Fuel system
Direct fuel injector assembly
Port fuel injector assembly
Fuel pump assembly (for high pressure side)
Fuel pump (for low pressure side)
Fuel pump control circuit
Fuel line
Purge VSV system
Fuel quality (existence of foreign matter, degradation)
Intake and exhaust systems
Mass air flow meter sub-assembly
Intake system
(Air leaks or deposit accumulation)
Throttle body with motor assembly
Air fuel ratio sensor (sensor 1)
Air fuel ratio sensor (sensor 2)
Cam timing oil control solenoid assembly
Variable Valve Timing system (VVT system)
Other control systems
ECM
Wire harness or connector
Knock control sensor
Engine coolant temperature sensor
Engine
Water control valve
Engine assembly
Engine mount
High load from another system
Air conditioning system
Power steering system
Electrical load signal system
SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...
Categories
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait
for
any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness
if
ingested. Fuel spray is released when there is pressure in the fuel tank and
the fuel-filler cap is removed too quickly.
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