Toyota 4Runner: Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Heating / Air Conditioning / Compressor / Inspection

INSPECTION

PROCEDURE

1. INSPECT MAGNET CLUTCH ASSEMBLY

(a) Check the magnet clutch operation.

(1) Confirm that the magnet clutch hub and magnet clutch rotor lock when the positive (+) lead of the battery is connected to terminal 3 of the magnet clutch, and the negative (-) lead is connected to the ground wire.

If the operation is not as specified, replace the magnet clutch assembly.

Text in Illustration

*1	Magnet Clutch Rotor
*2	Magnet Clutch Hub
*3	Battery
*a	Component without harness connected (Magnet Clutch Assembly)

(b) Measure the resistance between terminals 1 and 2.

Standard resistance:

65 to 125 Ω at 20°C (68°F)

If the result is not as specified, replace the cooler compressor assembly.

Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE COOLER BRACKET (a) Detach the clamp. (b) Remove the screw and cooler bracket. 2. REMOVE MAGNET CLUTCH ASSEMBLY (a) Clamp the cooler compressor in a vise. (b) ...

Removal

REMOVAL PROCEDURE 1. REMOVE GENERATOR ASSEMBLY (a) Remove the generator assembly (See page ). 2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 3. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY ...

Other materials about Toyota 4Runner:

Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
DESCRIPTION w/ Downhill Assist Control: DTC C1379 is cleared when the downhill assist control switch sends a downhill assist control operation signal or when test mode ends. w/ Crawl Control: DTC C1379 is cleared when the crawl control switch sends a cra ...

Diagnosis System
DIAGNOSIS SYSTEM 1. SYMPTOM SIMULATION HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of the same or similar conditions and environment in ...