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P1750-TRANSMISSION THROTTLE VALVE POSITION SENSOR CIRCUIT HIGH (CONTINUED) 4. CHECK THE (K312) TTVA POSITION SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the ECM C1 and C2 harness connectors. Ignition on, engine not running. Measure the voltage of the (K312) TTVA Position Sensor Signal circuit. Is the voltage above 0.5 volts? Yes >> Repair the (K312) TTVA Position Sensor Signal circuit for a short to voltage. Perform RE TRANSMISSION VERIFICATION TEST VER - No >> Go To 5 5. CHECK THE (K312) TTVA POSITION SENSOR SIGNAL CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT Measure the resistance between the (K312) TTVA Position Sensor Is the resistance below 100 kohms between the (K312) TTVA Yes >> Repair the (K312) TTVA Position Sensor Signal circuit for a short to another circuit(s). Perform RE TRANSMISSION VERIFICATION TEST VER - No >> Go To 6 21 - 896 AUTOMATIC TRANSMISSION - 48RE - DIESEL - ELECTRICAL DIAGNOSTICS DR/DH |