TSRM/MK4 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
p.009

EC/Engine Control — Parts Location / Relay Blocks / Junction Block and Wire Harness Connector / Connector Joining Wire Harness and Wire Harness / Ground Points / Splice Points, page 10

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p.011
Parts Location / Relay Blocks / Junction Block and Wire Harness Connector / Connector Joining Wire Harness and Wire Harness / Ground Points / Splice Points — MK4 Supra Engine Control wiring diagram, page 10
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Page text (OCR transcript)
: PARTS LOCATION
CODE	SEE PAGE	CODE	SEE PAGE	CODE	SEE PAGE
A 5	24 (2JZ–GTE)	H 5	24	P 2	25 (2JZ–GTE)
C 1	24	H11	29	S 1	25
C 2	24	I 1	25 (2JZ–GTE)	S 5	25
C 3	24	I 2	25	S11	29
C 9	28	I 3	A	25	T 2	25 (2JZ–GTE)
C10	A	28		I12	25 (2JZ–GTE)	T 5	29
C12	B	28		I13	25 (2JZ–GTE)	T 6	29
	D 1	24 (2JZ–GTE)	I14	25 (2JZ–GTE)	T14	25
	D 5	28	I15	25 (2JZ–GTE)	V 2	25 (2JZ–GTE)
	D 8	28	I16	25 (2JZ–GTE)	V 3	25 (2JZ–GTE)
	E 1	24 (2JZ–GTE)	I17	25 (2JZ–GTE)	V 4	25
	E 3	24 (2JZ–GTE)	I19	29	V 5	25
E 9	B	29	J 2	29	V 6	25 (2JZ–GTE)
E10	A	29	K 1	25 (2JZ–GTE)	V 7	25
	F14	30	K 2	25 (2JZ–GTE)	V 8	25
	F15	30	M 1	25	V10	25 (2JZ–GTE)

: RELAY BLOCKS
CODE	SEE PAGE	RELAY BLOCKS (RELAY BLOCK LOCATION)
2	22	R/B NO. 2 (ENGINE COMPARTMENT LEFT)

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE	SEE PAGE	JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B	20	ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E	20	INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H		
1I	20	COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1J		
1K		
2A	22	BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE	SEE PAGE	JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA1	32 (2JZ–GTE)	ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
EA2	32	
IB1	36	ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IC1	36	FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
IC2		
IF1	36	INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
Ii1	38	ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ1	38	ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IJ2		
BP1	40	FUEL GAUGE WIRE AND FLOOR NO. 2 WIRE (LUGGAGE ROOM FRONT LH)

: GROUND POINTS
CODE	SEE PAGE	GROUND POINTS LOCATION
EB	32 (2JZ–GTE)	FRONT SIDE OF LEFT FENDER
ED	32 (2JZ–GTE)	REAR SIDE OF INTAKE MANIFOLD
IF	36	LEFT KICK PANEL
BI	40	LEFT QUARTER PILLAR

: SPLICE POINTS
CODE	SEE PAGE	WIRE HARNESS WITH SPLICE POINTS	CODE	SEE PAGE	WIRE HARNESS WITH SPLICE POINTS
E 7			I 5		
E 9	32	ENGINE ROOM MAIN WIRE	I 8	38	INSTRUMENT PANEL WIRE
E10			I11	38	COWL WIRE
E12			I14	38	INSTRUMENT PANEL WIRE
E13	32	ENGINE WIRE	I16	38	CONSOLE BOX WIRE
E14			I17	38	ENGINE WIRE
E15			I20	38	COWL WIRE
E16			B 6	40	FLOOR NO. 2 WIRE
I 4	38	COWL WIRE