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7A1–30 TRANSMISSION CONTROL SYSTEM (4L30–E) DTC P0560 System Voltage Malfunction 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”. Note: If any other DTCs are present, refer to their applicable diagnostic charts before 4. Using the J–39200 DVOM, measure the battery voltage across the battery terminals. Record the measurement for Is the voltage higher than 10.5 volts? Go to Step 2 Go to Engine Electrical in Engine section 2 Start the engine and warm to normal operating temperature. Is the generator/check engine light “on”? Go to Starting and Charging System in Engine section Go to Step 3 3 1. Increase the engine speed to 1,000–1,500 rpm. Is the system voltage within 13–15 volts. Go to Step 4 Go to Starting and Charging System in Engine section 4 1. Turn the ignition switch “off”. (additional DTCs will set). 3. With the engine “off”, turn the ignition switch “on”. PCM connector terminals J1–A4 and J3–E16. Is there a voltage variance between the voltage measured at the Go to Step 5 Go to Step 6 5 Repair the high resistance condition in circuit WHT. Was the circuit repaired? Go to Step 10 — 6 1. Disconnect the J3 (BLUE) PCM connector. J3–E16 and J3–F16. Is there a voltage variance between the voltage measured at the Go to Step 7 Go to Step 8 7 Repair the high resistance condition is circuit RED/BLU. Was the circuit repaired? Go to Step 10 — 8 Check PCM connector terminals J1–A4, J3–E16 and J3–F16 for Was a problem found? Go to Step 10 Go to Step 9 |