Sidekick 2WD L4-1590cc 1.6L SOHC 0 TBI 8V (1992)
Torque Converter Clutch Relay: Testing and Inspection
Lock-Up Relay Control Circuit
SYSTEM INSPECTION
IMPORTANT NOTES:
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This will verify that the ECM is actually energizing the lock-up relay during driving.
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This inspection requires two people to perform.
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Use a level road for inspection.
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When maintaining speed above 42 mph, be sure to keep throttle valve opening less than 70% (light throttle).
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Remove ECM.
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Warm engine to operating temperature.
Checking Lock-Up Relay Control Circuit
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Connect voltmeter between ECM terminal "A11" and ground.
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While stopped, shift selector to "D" range and release brake pedal. CAR WILL MOVE!
VOLTAGE AT ECM
10 - 14 VDC
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Increase speed to 42 mph (76 km/h) and maintain speed for 4 seconds or more.
VOLTAGE AT ECM
0 - 1 VDC
