Inspect Resistance Of Engine Control Module (Ecm); Engine Control Module (Ecm) Wiring Connectors Resistance - Toyota 22R-E Service Manual

EG2–256

Engine Control Module (ECM) Wiring Connectors Resistance

Terminals
Engine Control Module (ECM) Terminals
ENGINE
2. INSPECT RESISTANCE OF ENGINE CONTROL
MODULE (ECM)
NOTICE:
Do not touch the engine control module (ECM) ter–
minals.
The tester probe should be inserted into the wiring
connector from the wiring side.
Check the resistance between each terminal of the
wiring connectors.
Disconnect the connectors from the engine
control module (ECM).
Measure the resistance at each terminal.
Condition
Throttle valve open
Throttle valve fully closed
(Throttle opener must be cancelled first)
Throttle valve fully open
Throttle valve fully closed
(Throttle opener must be cancelled first)
Intake air temperature 20_C (68_F)
Volume air flow meter connector disconnected
Engine coolant temperature 80_C (176_F)
Throttle position sensor connector disconnected
Measuring plate fully closed
Measuring plate fully open
Cold (–10 ~ 50_C, 14 ~122_F)
Hot (50~100_C, 122~212_F)
Cold (–10 ~ 50_C, 14 ~122_F)
Hot (50~100_C, 122~212T)
– MFI SYSTEM
Resistance (kW)