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Automatic Transmission – 4L60E – Electrical Diagnosis Page 7C2–46 Step Action Yes No 3 Inspect the transmission and related components for the following: • transmission fluid level, • transmission fluid cooling system restrictions / blockages, • debris in the transmission fluid, • incorrect line pressure, • torque converter stator operation, and • transmission overload. Was a fault found and rectified? Go to Step 10 Check for an intermittent fault in the circuit, refer to 8A Electrical-Body and Chassis 4 1 Switch off the ignition. 2 Disconnect connector E-95 from the transmission. 3 Using a multimeter set to measure voltage, probe between Does the multimeter display 4.8 – 5.2 V? Go to Step 6 Go to Step 5 5 Test the TFT sensor signal circuit (between connectors E-95 pin 16 Did you find and correct the condition? Go to Step 10 Go to Step 9 6 1 Switch off the ignition. 2 Remove the TCM fuses C-8 and EB-4, refer to 8A Electrical- 3 Using a multimeter set to measure resistance, probe between Does the multimeter display less than 5 Ω? Go to Step 8 Go to Step 7 7 Using a multimeter, test between E-95 pin 15 and C-96 pin 30 for high Was any fault found and rectified? Go to Step 10 — 8 Replace the TFT sensor, refer to 7C4 Automatic Transmission – N O T E Check for damaged wiring (short to ground, short to Was the repair complete? Go to Step 10 — 9 Replace the TCM, refer to 7C4 Automatic Transmission – 4L60E – Was the repair completed? Go to Step 10 — |