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Automatic Transmission – 4L60E – Electrical Diagnosis Page 7C2–102 Step Action Yes No 2 1 Connect Tech 2 to the DLC. 2 Turn on the ignition, with the engine off. N O T E Before clearing the DTC, use the Tech 2 Freeze Frame/Failure Record to record the transmission 3 On Tech 2 select: 4 Select the relevant DTC and note the parameters at the time of 5 On Tech 2 select: 6 Follow the instructions on Tech 2 and clear the DTCs. 7 On Tech 2 select: 8 With Tech 2 command the shift solenoid B ON and OFF three 9 On Tech 2 select: Does Tech 2 display the Shift Solenoid B Circuit as Okay? Check for an intermittent fault in the circuit, refer to 8A Electrical-Body and Chassis Go to Step 3 3 1 Turn off the ignition. 2 Disconnect connector E-95 from the transmission. N O T E Additional DTCs may set. 3 Install Tool No. J 44152 Jumper Harness (20 pins) on to the 4 Turn on the ignition, with the engine off. 5 Using a test lamp, probe between connector E-95 pin 3 and a Does the test lamp illuminate? Go to Step 6 Go to Step 4 4 1 Install Tool No. J44152 on to the transmission connector E-95. 2 Using a multimeter set to measure resistance, probe across Does the multimeter display less than 20 Ω? Go to Step 5 Go to Step 7 5 1 Remove Tool No. J44152 from the transmission. 2 Gain access to the 2-3 SS and the control valve body wiring 3 Disconnect the internal connector from the 2-3 SS. 4 Using a multimeter set to measure resistance, probe across the Does the multimeter display less than 20 Ω? Replace the 2-3 SS, refer to 7C4 Automatic Transmission – 4L60E – On-vehicle Servicing. Go to Step 8 Replace the control valve body wiring harness, refer to 7C4 Automatic Transmission – 4L60E – On-vehicle Servicing Go to Step 8 |