Escort L4-116 1.9L VIN 9 TBI (1987)
NOTE: All measurements are made with the fan controller connection connected. Battery Voltage (B+) should be a minimum of 12.0V.
Pin # 1 ........................................................................................................................................................................................... B+, coolant temp. <221°F
Pin # 1 ..................................................................................................................................................................................... <0.5V, coolant temp. >221°F
Pin # 2 ....................................................................................................................................................................................................................... not used
Pin # 3 ............................................................................................................................................................... 0.0V, coolant temp. <221°F, A/C clutch off
Pin # 3 ........................................................................................................................................................................................... B+, coolant temp. >221°F
Pin # 3 ........................................................................................................................................................................................... B+, A/C clutch energized
Pin # 4 ............................................................................................................................................................................................................................... B+
Pin # 5 ............................................................................................................................................................................................................................ 0.0V
Pin # 6 ............................................................................................................................................................. B+, with both WOT and P/S switches closed
Pin # 6 ..................................................................................................................................................................... 0.0V, either WOT or P/S switches open
Pin # 7 ............................................................................................................................................................................................................................... B+
Pin # 8 ............................................................................................................................................................................................. 0.0V, WOT switch open
Pin # 8 ................................................................................................................................................................................................. 0.0V, P/S switch open
Pin # 8 ................................................................................................................................................................................... 0.0V, A/C pressure swith open
Pin # 8 ............................................................................................................................................................................... B+, all of the above switches shut
Pin # 9 ............................................................................................................................................................................................................................... B+
Pin # 10 .......................................................................................................................................................................................... B+, A/C clutch energized
ABBREVIATIONS
Wide Open Throttle (WOT)
Battery Voltage (B+)
Power Steering (P/S)
Test 1.
IGNITION SWITCH OFF
NOTE: All measurements are made with the fan controller connection connected. Battery Voltage (B+) should be a minimum of 12.0V.
Pin # 1 ............................................................................................................................................................................................................................ 0.0V
Pin # 2 ....................................................................................................................................................................................................................... not used
Pin # 3 ............................................................................................................................................................................................................................ 0.0V
Pin # 4 ............................................................................................................................................................................................................................ 0.0V
Pin # 5 ............................................................................................................................................................................................................................... B+
Pin # 6 ........................................................................................................................................................................................... B+, coolant temp. >221°F
Pin # 6 ........................................................................................................................................................................................ 0.0V, coolant temp. <221°F
Pin # 7 ........................................................................................................................................................................................... B+, coolant temp. <221°F
Pin # 7 ........................................................................................................................................................................................ 0.0V, coolant temp. >221°F
Pin # 8 ............................................................................................................................................................................................................................ 0.0V
Pin # 9 ............................................................................................................................................................................................................................ 0.0V
Pin # 10 .......................................................................................................................................................................................................................... 0.0V
Test 2.
IGNITION SWITCH IN RUN, ENGINE AND A/C OFF
NOTE: All measurements are made with the fan controller connection connected. Battery Voltage (B+) should be a minimum of 12.0V.
