307-01-1 Automatic Transmission 5R55S 307-01-1 DIAGNOSIS AND TESTING Transmission Connector Layouts Connector Reference and Terminal Readings Powertrain Control Module (PCM) C175b 1 Shift Solenoid A (SSA) 2 Shift Solenoid B (SSB) 7 Pressure Control Solenoid A (PC A) 8 Shift Solenoid C (SSC) 9 Digital Transmission Range sensor TR3A to (PCM) 10 Digital Transmission Range sensor TR4 to (PCM) 12 Pressure Control Solenoid C (PC C) 13 Pressure Control Solenoid B (PC B) 14 Signal return 17 Shift Solenoid D (SSD) 18 Digital Transmission Range sensor TR2 to (PCM) 20 Torque Converter Clutch (TCC) Solenoid 21 Intermediate shaft speed sensor signal input 22 Digital Transmission Range sensor TR1 to (PCM) 23 Transmission Fluid Temperature (TFT) Sensor 26 Output Shaft Speed (OSS) sensor signal input 27 Turbine Shaft Speed (TSS) sensor signal input Copyright 2002, Ford Motor Company Last updated: 10/09/2002
307-01-2 Automatic Transmission 5R55S 307-01-2 Transmission Solenoid Body C199 1 Pressure control (PCB) solenoid B 2 Transmission fluid temperature (TFT) sensor input 3 Solenoid power 4 Pressure control (PCC) solenoid C 5 Shift solenoid D (SSD) 6 Shift solenoid C (SSC) 11 Pressure control (PCA) solenoid A 1 14 Torque converter clutch (TCC) solenoid 15 Shift solenoid B (SSB) 16 Shift solenoid A (SSA) Digital Transmission Range (TR) Sensor C167 3 Digital transmission range (TR) sensor TR3A 4 Digital transmission range (TR) sensor TR1 5 Digital transmission range (TR) sensor TR2
307-01-3 Automatic Transmission 5R55S 307-01-3 6 Digital transmission range (TR) sensor TR4 7 Ground 8 Neutral switch sense input 9 Fused power feed 10 Starter solenoid central power 11 Reverse lamps 12 Starter relay (overload protected) Turbine Shaft Speed (TSS) Sensor C143 1 Turbine shaft speed (TSS) sensor signal Output Shaft Speed (OSS) Sensor C193 1 Output shaft speed (OSS) sensor signal
307-01-4 Automatic Transmission 5R55S 307-01-4 Intermediate Shaft Speed Sensor Harness Connector 1 Intermediate shaft speed sensor signal Digital Transmission Range (TR) Sensor Diagnosis Chart Select Base Shift Shift Selector Lever Lever Position Indicator Indicator PID: TR V PID: TR D (volts) TR3A (PCM pin 64 to TR4 TR3A TR2 TR1 sigrtn) PARK P P 0 0 0 0 0.0 REVERSE R R 1 1 0 0 1.3-1.8 NEUTRAL N N 0 1 1 0 1.3-1.8 OVER- D5/D4 D5 1 1 1 1 1.3-1.8 DRIVE Manual 3 3 D4 1 0 1 0 0.0
307-01-5 Automatic Transmission 5R55S 307-01-5 Digital Transmission Range (TR) Sensor Diagnosis Chart (Continued) Select Base Shift Shift Selector Lever Lever Position Indicator Indicator PID: TR V PID: TR D (volts) TR3A (PCM pin 64 to TR4 TR3A TR2 TR1 sigrtn) Manual 2 2 1 0 0 1 0.0 Manual 1 Man 1 0 0 1 1 0.0 A. TR V is the voltage at the PCM pin 64 (TR3A Circuit) to signal return. B. TR D: 1= Open digital TR switch, 0= Closed digital TR switch. C. EEC-V Control System Breakout Box Readings: Taken from PCM signal pins for TR1, TR2, TR3A, TR4 to signal return. Voltages for TR1, TR2, TR4: 0 = 0.0 volts. 1 = 9.0-14.0 volts. Voltage for TR3A: 0 = 0.0 volts. 1 = 1.3-1.8 volts. Wiggle Test Information for Open/Shorts A. TR4, TR3A, TR2, and TR1 are all closed in PARK. PARK is a good position to check for intermittent open circuits (with scan tool monitoring TR D). B. TR4, TR3A, TR2, and TR1 are all open in OVERDRIVE, so OVERDRIVE is a good position to check for shorts to ground. To determine the shorted components while observing TR D, unplug the TR and see if the short goes away. If the short is still present unplug the transmission harness and see if the short goes away. If the short is still present, then the short is in the PCM or vehicle harness. Remove the suspect circuit(s) wire terminal from the PCM connector. If the short is still present, then the PCM has an internal failure, otherwise the failure is in the vehicle harness.