TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams, page 49

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Wiring Diagrams — MK4 Supra Wiring Diagrams, page 49
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Page text (OCR transcript)
POWER SOURCE (Current Flow Chart)
*1: (FOR CANADA)
*2: (FOR USA)

*Page Nos. of Related Systems

Parts

Code or Location

Location

CB or Fuse

Column Headers (Page Numbers):
96 164 220 | 118 | 70 82 | 118 | 118 | 118 | 140 | 220 | 228 | 220 | 112 | 60 64 70 82 140 150 | 79 82 140 155 228 | 102 106 | 102 106 | 102 | 102 | 111 | 111 | 126

Parts:
Daytime Running Light Relay (Main) | Diode (for Interior Light) | Diode (for Idle-Up) | Door Courtesy SW LH | Door Courtesy SW RH | Door Key Lock and Unlock SW LH | Electronically Controlled Transmission Solenoid | Engine Coolant Temp. Sender (Water Temp. Sender) | Engine Coolant Temp. SW (Water Temp. SW) | Engine Oil Level Sensor | Electronically Controlled Transmission Pattern Select SW | Engine Control Module (ECM) (Electronically Controlled Transmission ECU) | Engine Control Module (ECM) (Electronically Controlled Transmission ECU) | Front Fog Light and Parking Light LH | Front Fog Light and Parking Light RH | Front Side Marker Light LH | Front Side Marker Light RH | Front Turn Signal Light LH | Front Turn Signal Light RH | Front Wiper Motor

CB Codes:
D6 | D7 | D8 | D10 | D11 | D12 | E2 | E4 | E5 | E7 | E8 | E9 | E10 | F3 | F4 | F5 | F6 | F7 | F8 | F9

① J/B No. 1:
7.5A  HTR         ●(E5)                              ●(E10)
7.5A  IGN                                             ●(E10)
7.5A  RAD No. 2
7.5A  ST                                         ●(E9)
7.5A  TURN                                                              ●(F8) ●(F9)
10A   ECU-B
10A   ECU-IG
10A   GAUGE   ●(D6)              ●(E4)        ●(E7)              ●(E9) ●(E10)
10A   MIR-HTR            ●(D8)                                          ●(E10)
10A   PANEL              ●(D8)                          ●(E8)            ●(E10)
10A   TAIL                                                          ●(F3) ●(F4) ●(F5) ●(F6)
15A   CIG
15A   SEAT-HTR
15A   STOP                                                     ●(E10)
20A   WIPER                                                                              ●(F9)
30A   DEFOG
30A   DOOR

② R/B No. 2:
7.5A  ALT-S
7.5A  DOME   ●(D6) ●(D7)     ●(D10) ●(D11) ●(D12)
7.5A  DRL
7.5A  TRAC
15A   FOG                                                               ●(F3) ●(F4)
15A   HAZ-HORN                                                                    ●(F8) ●(F9)
15A   HEAD (LH) *2
15A   HEAD (LH-LWR) *1
15A   HEAD (LH-UPR) *1
15A   HEAD (RH) *2
15A   HEAD (RH-LWR) *1
15A   HEAD (RH-UPR) *1
20A   RAD No. 1
30A   ABS No. 2
30A   EFI No. 1              ●(E4)                       ●(E9) ●(E10)
30A   EFI No. 2
30A   FAN
50A   HTR
50A   MAIN   ●(D6)
60A   ABS No. 1
60A   POWER  ●(D6)

* These are the page numbers of the first page on which the related system is shown.
  The part indicated is located somewhere in the system, not necessarily on the page indicated here.

[LOCATION]  (1) : J/B No. 1 (See page 20)  (2) : R/B No. 2 (See page 22)  (3) : R/B No. 4 (See page 23)

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