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7A1–62 TRANSMISSION CONTROL SYSTEM (4L30–E) D When diagnosing for a possible intermittent short or Test Description The numbers below refer to the step numbers on the and the transmission internal wiring harness. 10.This test checks for power to the shift solenoid B from the ignition through the PCM. Shift Solenoid Status Chart Gear Shift solenoid A Shift solenoid B 1st OFF ON 2nd ON ON 3rd ON OFF 4th OFF OFF DTC P0758 Shift Solenoid B Electrical Step Action Yes No 1 1. Install the scan tool. NOTE: Before clearing DTC(s), use the scan tool to record “Failure 3. Record the DTC “Failure Records”. Were DTCs P0753, P0758, P1860 set? Go to Step 3 Go to Step 2 2 1. The engine “on”. mode “winter”. Does the scan tool display DTC P0758 at 3rd gear? Go to Step 7 Go to Diagnostic Aids 3 1. Turn the ignition “off”. connector terminals J2–C2 and J2–C8. Is the voltage within 10 – 12 volts? Go to Step 14 Go to Step 4 4 1. Turn the ignition “off”. PCM connector terminals J2–C2 and J3–E14. Is the resistance within 18 – 20 ohms? Go to Step 15 Go to Step 5 5 1. Disconnect the transmission 16–way connector H–53. terminals H53–16 and H53–15. Is the resistance within 18 – 20 ohms? Go to Step 16 Go to Step 6 6 1. Disconnect the transmission main case connector M–7. terminals M7–1(A) and M7–4(C). Is the resistance within 18 – 20 ohms? Go to Step 17 Go to Step 18 7 1. Turn the ignition “off”. PCM connector terminals J2–C2 and J3–E14. Is the resistance within 18 – 20 ohms? Go to Step 8 Go to Step 9 8 Using the J39200 DVOM, check a continuity between PCM Is there a continuity? Go to Step 19 Go to Step 10 |