Toyota Yaris: Transfer System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Transfer 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.

Transfer System

Symptom	Suspected Area	Link
Noise in transfer	Oil (level low)
	Backlash improperly adjusted
	Preload improperly adjusted
	Tooth contact improperly adjusted
	Front transfer driven pinion bearing (wear)
	Ring gear mounting case bearing (wear)
Oil leak from transfer	Oil (level too high)
	Gasket (damaged)
	Transfer case front oil seal (for LH Side) (worn or damaged)
	Transfer case front oil seal (for RH Side) (worn or damaged)
	Front drive shaft oil seal RH (worn or damaged)
	O-ring (worn or damaged)

Precaution

PRECAUTION PRECAUTION (a) Before disassembling the transfer assembly, thoroughly clean it to remove any foreign matter. This will help prevent contamination inside the transfer during disassembly and reassembly...

Engine & Hybrid System

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Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Engine Start Function When Key Battery is Dead

If the engine cannot be started due to a dead key battery, the engine can be started using the following procedure: Continue to depress the brake pedal firmly until the engine has completely started. Manual transaxle: Continue to depress the clutch pedal firmly until the engine has completely started...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Diagnosis System

DIAGNOSIS SYSTEM FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message is displayed on the multi-information display. Warning Message Detail DTC/RoB PCS warning light "Pre-Collision System Malfunction Visit Your Dealer" Pre-collision system malfunctioning Stored Illuminates "Pre-Collision System Radar In Self Calibration Unavailable See Owner's Manual" Millimeter wave radar sensor assembly misaligned Stored Illuminates "Pre-Collision System Out of Temperature Range Unavailable See Owner's Manual" Millimeter wave radar sensor assembly temperature malfunction Stored Illuminates "Pre-Collision System Unavailable See Owner's Manual" Millimeter wave radar sensor assembly voltage malfunction Determination was made for temporary suspension of system operation due to millimeter wave radar sensor assembly detecting interference from other nearby radar emitters Stored Illuminates "Pre-Collision System Radar Sensor Blocked Unavailable Clean Radar Sensor" Foreign matter attached to millimeter wave radar sensor assembly Stored Illuminates "Front Camera Unavailable See Owner's Manual" Abnormal forward recognition camera voltage Stored Illuminates "Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature" Forward recognition camera temperature outside of operational range Stored Illuminates "Front Camera Low Visibility Unavailable See Owner's Manual" Foreign matter attached to forward recognition camera or area of windshield in front of forward recognition camera Forward recognition camera or area of windshield in front of forward recognition camera is fogged up Stored Illuminates "VSC Turned Off Pre-Collision Brake System Unavailable" VSC system is disabled Not stored Illuminates PCS Warning Light Illumination Status PCS Warning Light Condition Illuminates Pre-collision system malfunctioning Pre-collision system temporarily disabled During pre-collision system radar alignment Pre-collision system disabled VSC system disabled Not illuminated Other INITIAL CHECK (a) An initial check is performed when the ignition switch is off for more than 2 seconds and then turned ON...