Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Computers and Control Systems





SPECIFICATIONS: 1GR-FE ENGINE CONTROL: SERVICE DATA


Camshaft Timing Oil Control Valve:






Crankshaft Position Sensor:






Engine Coolant Temperature Sensor:






Throttle Body:






Knock Sensor:






Accelerator Pedal:






Air Fuel Ratio Sensor (for Bank 1):






Air Fuel Ratio Sensor (for Bank 2):






Heated Oxygen Sensor (for Bank 1):






Heated Oxygen Sensor (for Bank 2):






Circuit Opening Relay:






No. 1 Integration Relay (IG2):






No. 1 Integration Relay (EFI):






No. 1 Integration Relay (A/F):






Main Body ECU (Driver Side Junction Block) for ACC Relay:






Main Body ECU (Driver Side Junction Block) for IG1 No. 2 Relay:






Spark Plug: