Toyota CH-R Service Manual: Precaution

PRECAUTION

IGNITION SWITCH EXPRESSIONS

(a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.

Expression

Ignition Switch (Position)

Engine Switch (Condition)

Ignition switch off

LOCK

Off

Ignition switch ON

ON

On (IG)

Ignition switch ACC

ACC

On (ACC)

Engine Start

START

Start

IF ANY OF FOLLOWING CONDITIONS ARE MET, KEEP ENGINE IDLING WITH A/C ON (ENGINE SPEED AT LESS THAN 2000 RPM) FOR AT LEAST 2 MINUTES

  • Refrigerant gas has been refilled or A/C parts have been replaced.
  • A long time has elapsed since engine was stopped.

NOTICE:

If the engine speed exceeds 2000 rpm, the A/C compressor may be damaged.

DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME

*a

Charging Cylinder

ALWAYS WEAR EYE PROTECTION

BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN

If liquid refrigerant gets in your eyes or on your skin.

(a) Wash the area with lots of cold water.

CAUTION:

Do not rub your eyes or skin.

(b) Apply clean petroleum jelly to the skin.

(c) Go immediately to a hospital or see a physician for professional treatment.

NEVER HEAT CONTAINER OR EXPOSE CONTAINER TO AN OPEN FLAME

BE CAREFUL NOT TO DROP CONTAINER OR APPLY PHYSICAL SHOCKS TO IT

DO NOT OPERATE COMPRESSOR WITHOUT ENOUGH REFRIGERANT IN REFRIGERANT SYSTEM

If there is not enough refrigerant in the air conditioning system, oil lubrication will be insufficient and the compressor may be damaged.

Necessary care should be taken to avoid this.

DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE WHILE COMPRESSOR IS OPERATING

*a

Wrong

*b

Okay

Open and close only the low pressure valve.

If the high pressure valve is opened, refrigerant will flow in the reverse direction causing the charging cylinder to rupture.

PRECAUTIONS FOR REFRIGERANT HFO-1234yf [R1234yf] (w/ Toyota Safety Sense P)

(a) PRECAUTIONS FOR REFRIGERANT HFO-1234yf [R1234yf]

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BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH REFRIGERANT

If the system is overcharged with refrigerant, it causes problems such as insufficient cooling, poor fuel economy, engine overheating, etc.

DO NOT OPERATE ENGINE AND COMPRESSOR WITH NO REFRIGERANT

CAUTION:

Doing so may damage the inside of the compressor because the compressor parts always move regardless of whether the air conditioning system is turned on or off.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing, possibly leading to a serious accident. Before servicing (including removal or installation of parts, inspection or replacement), be sure to read the precautionary notices.

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GENERAL PRECAUTION

While using the battery during inspection, do not bring the positive (+) and negative (-) tester probes too close to each other as a short circuit may occur.

PRECAUTION WHEN REPLACING COMBINATION METER ASSEMBLY

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

    Air Conditioning System(for Automatic Air Conditioning System With Top-mounted Air Conditioner Pressure Sensor)
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *A w/ PTC Heater *B w/ Toyota Safety Sense P *1 AIR CONDITIONER PRESSURE SENSOR *2 ...

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