Use the common pattern for auto fan pins

Now that pins.h is guaranteed included after configs.

Marlin/Configuration_adv.h

 #define E3_AUTO_FAN_PIN -1
 #define E4_AUTO_FAN_PIN -1
 #define E5_AUTO_FAN_PIN -1
+#define E6_AUTO_FAN_PIN -1
+#define E7_AUTO_FAN_PIN -1
 #define CHAMBER_AUTO_FAN_PIN -1
 
 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50

Marlin/src/inc/SanityCheck.h

   #error "Z_QUAD_ENDSTOPS is now Z_MULTI_ENDSTOPS. Please update Configuration_adv.h."
 #elif defined(DUGS_UI_MOVE_DIS_OPTION)
   #error "DUGS_UI_MOVE_DIS_OPTION is spelled DGUS_UI_MOVE_DIS_OPTION. Please update Configuration_adv.h."
+#elif defined(ORIG_E0_AUTO_FAN_PIN) || defined(ORIG_E1_AUTO_FAN_PIN) || defined(ORIG_E2_AUTO_FAN_PIN) || defined(ORIG_E3_AUTO_FAN_PIN) || defined(ORIG_E4_AUTO_FAN_PIN) || defined(ORIG_E5_AUTO_FAN_PIN) || defined(ORIG_E6_AUTO_FAN_PIN) || defined(ORIG_E7_AUTO_FAN_PIN)
+  #error "ORIG_Ex_AUTO_FAN_PIN is now just Ex_AUTO_FAN_PIN. Make sure your pins are up to date."
+#elif defined(ORIG_CHAMBER_AUTO_FAN_PIN)
+  #error "ORIG_CHAMBER_AUTO_FAN_PIN is now just CHAMBER_AUTO_FAN_PIN. Make sure your pins are up to date."
 #endif
 
 /**

Marlin/src/pins/lpc1769/pins_COHESION3D_MINI.h

 // Auto fans
 //
 #define AUTO_FAN_PIN                       P2_04  // FET 4
-
-#define ORIG_E0_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E1_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E2_AUTO_FAN_PIN        AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/lpc1769/pins_COHESION3D_REMIX.h

 #else
   #define AUTO_FAN_PIN                     P1_22  // FET 3
 #endif
-#define ORIG_E0_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E1_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E2_AUTO_FAN_PIN        AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h

 // Auto fans
 //
 #define AUTO_FAN_PIN                       P1_22  // FET 3
-#define ORIG_E0_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E1_AUTO_FAN_PIN        AUTO_FAN_PIN
-#define ORIG_E2_AUTO_FAN_PIN        AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // SD Card

Marlin/src/pins/mega/pins_CNCONTROLS_11.h

   //#define FAN_PIN                            7  // common PWM pin for all tools
 #endif
 
-#define ORIG_E0_AUTO_FAN_PIN                   7
-#define ORIG_E1_AUTO_FAN_PIN                   7
-#define ORIG_E2_AUTO_FAN_PIN                   7
-#define ORIG_E3_AUTO_FAN_PIN                   7
+//
+// Auto fans
+//
+#define AUTO_FAN_PIN                           7
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/mega/pins_CNCONTROLS_12.h

   #define FAN_PIN                              5  // 5 is PWMtool3 -> 7 is common PWM pin for all tools
 #endif
 
-#define ORIG_E0_AUTO_FAN_PIN                   7
-#define ORIG_E1_AUTO_FAN_PIN                   7
-#define ORIG_E2_AUTO_FAN_PIN                   7
-#define ORIG_E3_AUTO_FAN_PIN                   7
+//
+// Auto fans
+//
+#define AUTO_FAN_PIN                           7
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/mega/pins_CNCONTROLS_15.h

 // Fans
 //
 #define FAN_PIN                                8
-#define ORIG_E0_AUTO_FAN_PIN                  30
-#define ORIG_E1_AUTO_FAN_PIN                  30
-#define ORIG_E2_AUTO_FAN_PIN                  30
-#define ORIG_E3_AUTO_FAN_PIN                  30
-//#define ORIG_CHAMBER_AUTO_FAN_PIN           10
+
+//
+// Auto fans
+//
+#define AUTO_FAN_PIN                          30
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef CHAMBER_AUTO_FAN_PIN
+  //#define CHAMBER_AUTO_FAN_PIN              10
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/mega/pins_SILVER_GATE.h

 
 #define HEATER_0_PIN                           7
 
-#define ORIG_E0_AUTO_FAN_PIN                   3  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                      3
+#endif
+
 #define CONTROLLER_FAN_PIN                     2
 
 #define TEMP_0_PIN                             7  // Analog Input

Marlin/src/pins/pins.h

 #endif
 
 //
-// Assign auto fan pins if needed
-//
-#ifndef E0_AUTO_FAN_PIN
-  #ifdef ORIG_E0_AUTO_FAN_PIN
-    #define E0_AUTO_FAN_PIN ORIG_E0_AUTO_FAN_PIN
-  #else
-    #define E0_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E1_AUTO_FAN_PIN
-  #ifdef ORIG_E1_AUTO_FAN_PIN
-    #define E1_AUTO_FAN_PIN ORIG_E1_AUTO_FAN_PIN
-  #else
-    #define E1_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E2_AUTO_FAN_PIN
-  #ifdef ORIG_E2_AUTO_FAN_PIN
-    #define E2_AUTO_FAN_PIN ORIG_E2_AUTO_FAN_PIN
-  #else
-    #define E2_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E3_AUTO_FAN_PIN
-  #ifdef ORIG_E3_AUTO_FAN_PIN
-    #define E3_AUTO_FAN_PIN ORIG_E3_AUTO_FAN_PIN
-  #else
-    #define E3_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E4_AUTO_FAN_PIN
-  #ifdef ORIG_E4_AUTO_FAN_PIN
-    #define E4_AUTO_FAN_PIN ORIG_E4_AUTO_FAN_PIN
-  #else
-    #define E4_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E5_AUTO_FAN_PIN
-  #ifdef ORIG_E5_AUTO_FAN_PIN
-    #define E5_AUTO_FAN_PIN ORIG_E5_AUTO_FAN_PIN
-  #else
-    #define E5_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E6_AUTO_FAN_PIN
-  #ifdef ORIG_E6_AUTO_FAN_PIN
-    #define E6_AUTO_FAN_PIN ORIG_E6_AUTO_FAN_PIN
-  #else
-    #define E6_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef E7_AUTO_FAN_PIN
-  #ifdef ORIG_E7_AUTO_FAN_PIN
-    #define E7_AUTO_FAN_PIN ORIG_E7_AUTO_FAN_PIN
-  #else
-    #define E7_AUTO_FAN_PIN -1
-  #endif
-#endif
-#ifndef CHAMBER_AUTO_FAN_PIN
-  #ifdef ORIG_CHAMBER_AUTO_FAN_PIN
-    #define CHAMBER_AUTO_FAN_PIN ORIG_CHAMBER_AUTO_FAN_PIN
-  #else
-    #define CHAMBER_AUTO_FAN_PIN -1
-  #endif
-#endif
-
-//
 // Assign endstop pins for boards with only 3 connectors
 //
 #ifdef X_STOP_PIN

Marlin/src/pins/ramps/pins_AZTEEG_X3_PRO.h

   #define CONTROLLER_FAN_PIN                   4  // Pin used for the fan to cool motherboard (-1 to disable)
 #endif
 
-// Fans/Water Pump to cool the hotend cool side.
-#define ORIG_E0_AUTO_FAN_PIN                   5
-#define ORIG_E1_AUTO_FAN_PIN                   5
-#define ORIG_E2_AUTO_FAN_PIN                   5
-#define ORIG_E3_AUTO_FAN_PIN                   5
+//
+// Auto fans
+//
+#define AUTO_FAN_PIN                           5
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
 
 //
 // LCD / Controller

Marlin/src/pins/ramps/pins_BQ_ZUM_MEGA_3D.h

 //
 // Auto fans
 //
-#define ORIG_E0_AUTO_FAN_PIN                  11
-#define ORIG_E1_AUTO_FAN_PIN                   6
-#define ORIG_E2_AUTO_FAN_PIN                   6
-#define ORIG_E3_AUTO_FAN_PIN                   6
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     11
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN                      6
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN                      6
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN                      6
+#endif
 
 //
 // M3/M4/M5 - Spindle/Laser Control

Marlin/src/pins/ramps/pins_RAMPS_DAGOMA.h

 #define Z_STOP_PIN                           15
 #define FIL_RUNOUT_PIN                       39
 
-#define ORIG_E0_AUTO_FAN_PIN                  7
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     7
+#endif
 
 //
 // Import RAMPS 1.4 pins

Marlin/src/pins/ramps/pins_TANGO.h

 #define FAN_PIN                               8
 #define FAN1_PIN                             -1
 
-#define ORIG_E0_AUTO_FAN_PIN                  7
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     7
+#endif
 
 #ifndef TEMP_0_PIN
   #if TEMP_SENSOR_0 == -1

Marlin/src/pins/ramps/pins_TRIGORILLA_13.h

 #define BOARD_INFO_NAME "Anycubic RAMPS 1.3"
 
 #define IS_RAMPS_EFB
-#define RAMPS_D9_PIN         44
-#define FAN2_PIN              9
-#define ORIG_E0_AUTO_FAN_PIN  9
+#define RAMPS_D9_PIN                         44
+#define FAN2_PIN                              9
+
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     9
+#endif
 
 #include "pins_RAMPS_13.h"
 

Marlin/src/pins/ramps/pins_TRIGORILLA_14.h

   #define FAN1_PIN                   TG_FAN1_PIN
 #endif
 #define FAN2_PIN                     TG_FAN2_PIN
-#define ORIG_E0_AUTO_FAN_PIN         TG_FAN2_PIN  // Used in Anycubic Kossel example config
+
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN            TG_FAN2_PIN  // Used in Anycubic Kossel example config
+#endif
 
 #include "pins_RAMPS.h"
 

Marlin/src/pins/ramps/pins_ULTIMAIN_2.h

   #define FAN_PIN                              7
 #endif
 
-#define ORIG_E0_AUTO_FAN_PIN                  77
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     77
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/ramps/pins_VORON.h

 #undef FAN_PIN
 #define FAN_PIN                               5   // Using the pin for the controller fan since controller fan is always on.
 #define CONTROLLER_FAN_PIN                    8
-#define ORIG_E0_AUTO_FAN_PIN                  6   // Servo pin 6 for E3D Fan
-#define ORIG_E1_AUTO_FAN_PIN                  6   // Servo pin 6 for E3D Fan (same pin for both extruders since it's the same fan)
+
+//
+// Auto fans
+//
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     6   // Servo pin 6 for E3D Fan
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN                     6   // Servo pin 6 for E3D Fan (same pin for both extruders since it's the same fan)
+#endif
 
 //
 // LCDs and Controllers

Marlin/src/pins/ramps/pins_ZRIB_V20.h

 #define ZRIB_V20_D29_PIN                      29
 #define ZRIB_V20_D37_PIN                      37
 
-#define ORIG_E0_AUTO_FAN_PIN     ZRIB_V20_D6_PIN
-#define ORIG_E1_AUTO_FAN_PIN     ZRIB_V20_D6_PIN
-#define ORIG_E2_AUTO_FAN_PIN     ZRIB_V20_D6_PIN
-#define ORIG_E3_AUTO_FAN_PIN     ZRIB_V20_D6_PIN
+//
+// Auto fans
+//
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN        ZRIB_V20_D6_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN        ZRIB_V20_D6_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN        ZRIB_V20_D6_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN        ZRIB_V20_D6_PIN
+#endif
 
 #ifndef FILWIDTH_PIN
   #define FILWIDTH_PIN                        11  // Analog Input

Marlin/src/pins/sam/pins_CNCONTROLS_15D.h

 // Fans
 //
 //#define FAN0_PIN                             8
-#define ORIG_E0_AUTO_FAN_PIN                  30
-#define ORIG_E1_AUTO_FAN_PIN                  30
-#define ORIG_E2_AUTO_FAN_PIN                  30
-#define ORIG_E3_AUTO_FAN_PIN                  30
-#define ORIG_CHAMBER_AUTO_FAN_PIN             10
+
+//
+// Auto fans
+//
+#define AUTO_FAN_PIN                          30
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN           AUTO_FAN_PIN
+#endif
+#ifndef CHAMBER_AUTO_FAN_PIN
+  #define CHAMBER_AUTO_FAN_PIN                10
+#endif
 
 //
 // SD card

Marlin/src/pins/sam/pins_RURAMPS4D_13.h

 
   #elif ENABLED(MKS_MINI_12864)
 
-    #define ORIG_BEEPER_PIN                   62
-
     #define DOGLCD_A0                         52
     #define DOGLCD_CS                         50
 

Marlin/src/pins/sensitive_pins.h

 // Heaters, Fans, Temp Sensors
 //
 
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN -1
+#endif
+#ifndef E1_AUTO_FAN_PIN
+  #define E1_AUTO_FAN_PIN -1
+#endif
+#ifndef E2_AUTO_FAN_PIN
+  #define E2_AUTO_FAN_PIN -1
+#endif
+#ifndef E3_AUTO_FAN_PIN
+  #define E3_AUTO_FAN_PIN -1
+#endif
+#ifndef E4_AUTO_FAN_PIN
+  #define E4_AUTO_FAN_PIN -1
+#endif
+#ifndef E5_AUTO_FAN_PIN
+  #define E5_AUTO_FAN_PIN -1
+#endif
+#ifndef E6_AUTO_FAN_PIN
+  #define E6_AUTO_FAN_PIN -1
+#endif
+#ifndef E7_AUTO_FAN_PIN
+  #define E7_AUTO_FAN_PIN -1
+#endif
+
 #define _H0_PINS
 #define _H1_PINS
 #define _H2_PINS

Marlin/src/pins/stm32f1/pins_GTM32_MINI.h

 // These are FAN PWM pins on EXT0..EXT2 connectors.
 //
 //#define FAN_PIN                           PB9   // EXT0 port
-#define ORIG_E0_AUTO_FAN_PIN                PB9   // EXT0 port, used as main extruder fan
 #define FAN1_PIN                            PB8   // EXT1 port
 #define FAN2_PIN                            PB7   // EXT2 port
 
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PB9   // EXT0 port, used as main extruder fan
+#endif
+
 //
 // Temperature Sensors
 //

Marlin/src/pins/stm32f1/pins_GTM32_MINI_A30.h

 // These are FAN PWM pins on EXT0..EXT2 connectors.
 //
 //#define FAN_PIN                           PB9   // EXT0 port
-#define ORIG_E0_AUTO_FAN_PIN                PB9   // EXT0 port, used as main extruder fan
 #define FAN1_PIN                            PB8   // EXT1 port
 #define FAN2_PIN                            PB7   // EXT2 port
 
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PB9   // EXT0 port, used as main extruder fan
+#endif
+
 //
 // Temperature Sensors
 //

Marlin/src/pins/stm32f1/pins_GTM32_PRO_VB.h

 // These are FAN PWM pins on EXT0..EXT2 connectors.
 //
 //#define FAN_PIN                           PB9   // EXT0 port
-#define ORIG_E0_AUTO_FAN_PIN                PB9   // EXT0 port, used as main extruder fan
 #define FAN1_PIN                            PB8   // EXT1 port
 #define FAN2_PIN                            PB7   // EXT2 port
 
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PB9   // EXT0 port, used as main extruder fan
+#endif
+
 //
 // Temperature Sensors
 //

Marlin/src/pins/stm32f1/pins_GTM32_REV_B.h

 //#define FAN_PIN                           PB9   // EXT0 port
 #define FAN1_PIN                            PB8   // EXT1 port
 #define FAN2_PIN                            PB7   // EXT2 port
-#define ORIG_E0_AUTO_FAN_PIN                PB9   // EXT0 port, used as main extruder fan
+
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PB9   // EXT0 port, used as main extruder fan
+#endif
 
 //
 // Temperature Sensors

Marlin/src/pins/stm32f4/pins_GENERIC_STM32F4.h

 #define FAN1_PIN                            PC7
 #define FAN2_PIN                            PC8
 
-#define ORIG_E0_AUTO_FAN_PIN            FAN1_PIN  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PC7
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/stm32f4/pins_LERDGE_K.h

 #define FAN1_PIN                            PF6
 #define FAN2_PIN                            PF7
 
-#define ORIG_E0_AUTO_FAN_PIN            FAN1_PIN  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PF6
+#endif
 
 //
 // LED / Lighting

Marlin/src/pins/stm32f4/pins_LERDGE_X.h

 #define HEATER_BED_PIN                      PA2
 
 #ifndef FAN_PIN
-//  #define FAN_PIN        PC15
+  //#define FAN_PIN                         PC15
 #endif
 #define FAN1_PIN                            PC15
 #define FAN2_PIN                            PA0
 
-#define ORIG_E0_AUTO_FAN_PIN                PC15  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PC15  // FAN1_PIN
+#endif
 
 //
 // Prusa i3 MK2 Multi Material Multiplexer Support

Marlin/src/pins/stm32f4/pins_STEVAL_3DP001V1.h

 
 #define FAN_PIN                               57  // PC4   E1_FAN   PWM pin, Part cooling fan FET
 #define FAN1_PIN                              58  // PC5   E2_FAN   PWM pin, Extruder fan FET
-#define ORIG_E0_AUTO_FAN_PIN            FAN1_PIN
 #define FAN2_PIN                              59  // PE8   E3_FAN   PWM pin, Controller fan FET
 
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     58  // FAN1_PIN
+#endif
+
 //
 // Misc functions
 //

Marlin/src/pins/stm32f4/pins_VAKE403D.h

 #define FAN1_PIN                            PB5   // PA0
 #define FAN2_PIN                            PB4   // PA1
 
-#define ORIG_E0_AUTO_FAN_PIN                PD13  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PD13
+#endif
 
 //
 // Misc. Functions

Marlin/src/pins/stm32f7/pins_REMRAM_V1.h

 #endif
 #define FAN1_PIN                              32  // "FAN2"
 
-#define ORIG_E0_AUTO_FAN_PIN                  32  // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     32
+#endif
 
 //
 // Servos

Marlin/src/pins/stm32f7/pins_THE_BORG.h

 #define FAN1_PIN                            PA0
 #define FAN2_PIN                            PA1
 
-#define ORIG_E0_AUTO_FAN_PIN                PA1   // Use this by NOT overriding E0_AUTO_FAN_PIN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PA1
+#endif
 
 //
 // Misc. Functions