Toyota Yaris: Front Seat Cushion Heater / Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH
| (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: | Tester Connection | Condition | Specified Condition | |
If the result is not as specified, replace the front seat cushion heater assembly LH.
| | O58-6 - A-1 | Seat heater temperature 20°C (68°F) | Below 1 Ω | | O58-7 - A-2 | Seat heater temperature 20°C (68°F) | 1.57 to 1.93 Ω | | O58-5 - A-3 | Seat heater temperature 20°C (68°F) | 2.84 to 3.48 Ω | |
| | *a | Component without harness connected (Front Seat Cushion Heater Assembly LH) | | |
2. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH
| (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: | Tester Connection | Condition | Specified Condition | |
If the result is not as specified, replace the front seat cushion heater assembly RH.
| | O57-6 - A-1 | Seat heater temperature 20°C (68°F) | Below 1 Ω | | O57-7 - A-2 | Seat heater temperature 20°C (68°F) | 1.57 to 1.93 Ω | | O57-5 - A-3 | Seat heater temperature 20°C (68°F) | 2.84 to 3.48 Ω | |
| | *a | Component without harness connected (Front Seat Cushion Heater Assembly RH) | | |
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands.
HINT:
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the driver side and front passenger side...
Other information:
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 suction plate sub-assembly
Fuel main valve assembly
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
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...
INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY (a) Turn the steering wheel assembly to the right. (b) Engage the claw to install the windshield wiper switch assembly as shown in the illustration.
Install in this Direction 2...
Categories
No special break-in is necessary, but a few precautions in the first 600
miles (1,000 km) may add to the performance, economy, and life of
the vehicle.
Do not race the engine.
Do not maintain one constant speed, either slow or fast, for a long
period of time.
Do not drive constantly at full-throttle or high engine rpm for
extended periods of time.
Avoid unnecessary hard stops.
Avoid full-throttle starts.
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