Toyota Corolla Cross: Ignition System
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PARTS LOCATION ILLUSTRATION
*1 ECM
*2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY
- INJ FUSE *3
IGNITION COIL ASSEMBLY
*4 SPARK PLUG
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION: To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and c
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UTILITY REFRIGERANT SHORTAGE CHECK USING GTS (a) Check that the following conditions are met and perform the refrigerant shortage check according to the display on the GTS. Measurement Condition:
Item Condition
A/C switch On
Ambient temperature*1
0 to 49°C (32 to 120
DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts of the EFI-MAIN NO. 1 relay and sup