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ECM HAC-117 < ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] C D E F G H J K L M A B HAC N O P : Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) 110 (R) 128 (B) Engine speed output sig- Output [Engine is running] NOTE: 1V [Engine is running] 1V 111 (O) 116 (P) Sensor power supply — [Ignition switch: ON] 5V 112 (SB) — Sensor ground — — — 113 (P) — CAN communication line Input/ Output — — 114 (L) — CAN communication line Input/ Output — — 116 (P) — Sensor ground — — — 117 (V) 128 (B) Data link connector Input/ Output [Ignition switch: ON] 5V - BATTERY VOLTAGE (11 - 121 (LG) 128 (B) EVAP canister vent con- Output [Ignition switch: ON] BATTERY VOLTAGE 122 (P) 128 (B) Stop lamp switch Input [Ignition switch: OFF] 0V [Ignition switch: OFF] BATTERY VOLTAGE 123 (B) 124 (B) — ECM ground — — — 125 (R) 128 (B) Power supply for ECM Input [Ignition switch: ON] BATTERY VOLTAGE 126 (BR) 128 (B) ICC brake switch (mod- Input [Ignition switch: ON] 0V [Ignition switch: ON] BATTERY VOLTAGE 127 (B) 128 (B) — ECM ground — — — Terminal No. (Wire color) Description Condition Value (Approx.) + -– Signal name Input/ Output JMBIA0076GB JMBIA0077GB |