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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–79 DTC P0758 Shift Solenoid B Electrical (Cont’d) Step No Yes Action 8 1. Turn the ignition “off”. PCM connector terminals S–43 and S–31. Is the resistance within 18 – 20 ohms? Go to Step 9 Go to Step 10 9 Using the J39200 DVOM, check a continuity between PCM Is there a continuity? Go to Step 20 Go to Step 11 10 1. Disconnect the transmission 16–way connector H–69. terminals H69–11 and H69–12 (LHD), or H69–10 and H69–9 Is the resistance within 18–20 ohms? Go to Step 21 Go to Step 12 11 Using the J39200 DVOM, check a continuity between PCM Is there a continuity? Go to Step 22 Go to Step 13 12 1. Disconnect the transmission main case connector M–7. terminals M7–2(D) and M7–6(A). Is the resistance within 18 – 20 ohms? Go to Step 23 Go to Step 24 13 Check every connection of the PCM and transmission 16–way Was a problem found and corrected? Go to Step 26 Go to Step 14 14 1. Connect the F (BLUE) and S (RED) PCM connectors to the PCM. 2. Turn the ignition “on”, the engine “on”. Does the scan tool display DTC P0758 at 3rd gear? Go to Step 25 Go to Diagnostic Aids 15 The wiring harness between PCM connector terminal Was a problem found and corrected? Go to Step 26 — 16 The PCM internal terminal S–31 is shorted to voltage. Is the replacement complete? Go to Step 26 — 17 The wiring harness between PCM connector and transmission Was a problem found and corrected? Go to Step 26 — 18 The wiring harness between transmission 16–way connector and Was a problem found and corrected? Go to Step 26 — 19 The shift solenoid B is faulty, or the internal wiring harness from Was a problem found and corrected? Go to Step 26 — |