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: