Combination Meter - Diagnosis: Location

Fig 1: Identifying Combination Meter Location

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying ECM Location

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Fig 3: Identifying Water Temperature Sensor And Engine Oil Pressure Switch Assy

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Fig 4: Identifying Terminals Of Combination Meter

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Fig 5: Identifying Circuit Diagram

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WIRE HARNESS SIDE TERMINAL

Terminal No.		Wire harness side
C8	1	Ground (Power Ground)
	2	Ground (BEAM-) ((4)), Steering Pad Switch ((3))
	3	Engine Oil Level Sensor
	5	Airbag Sensor Assy Center
	6	Skid Control ECU Assy ((1)), ABS & Traction Actuator Assy ((2))
	8	Fuel Sender Gauge (FR)
	10	Fog Relay
	11	ECM (TWHO)
	12	Airbag Sensor Assy Center
	13	Turn Signal Flasher Relay (R)
	15	Transmission Control Switch (MT4)
	16	Transmission Control Switch (MTL)
	18	Body ECU (A)
	19	TAIL Relay
	20	ECU-B Fuse
	21	Ground (Signal Ground)
	22	Fuel Sender Gauge (FE)
	23	Generator
	24	Brake Fluid Level Warning Switch ((2))
	25	ECM (CRUISE)
	26	Oil Pressure Switch
	28	Fuel Sender Gauge (FV)
	30	Turn Signal Flasher Relay (L)
	31	ECM (TACH)
	32	Skid Control ECU Assy ((1)), ABS & Traction Actuator Assy ((2))
	33	A/C Control Assembly (4P OUT)
	34	A/T Indicator Light Switch (RL)
	35	A/T Indicator Light Switch (2L)
	36	A/T Indicator Light Switch (NL)
	37	A/T Indicator Light Switch (PL)
	38	ST Fuse
	39	IG2 Fuse
	40	GAUGE1 Fuse
(1) w/VSC (2) w/o VSC (3) w/ DRL (4) w/o DRL

WIRE HARNESS SIDE TERMINAL

Terminal No.		Wire harness side
C8	1	Rheostat (T)
	2	ECM(W)
	3	Rheostat (TC)
	4	Body ECU (DR)
	5	Washer Level Sensor
	7	Body ECU (SDRL) ((3))
	8	Headlight Beam Level Control ECU
	9	DRL No. 4 Relay ((3), (5))
	10	ABS & Traction Actuator Assy ((2))
	11	DRL No. 3 Relay ((3)), DRL No. 4 Relay ((4))
	12	IGN Fuse
	13	Skid Control ECU Assy ((1))
	14	Skid Control ECU Assy ((1))
	15	Body ECU (KW)
	16	Light Failure Sensor
	17	Skid Control ECU Assy ((1)), ABS & Traction Actuator Assy ((2))
	18	Steering Pad Switch
	19	Rheostat (RV)
	20	Skid Control ECU Assy((1))
	21	Injector No. 1
	22	Transmission Control Switch (MTD)
	23	Transmission Control Switch (MT2)
	24	Each illuminated parts
(1) w/VSC (2) w/o VSC (3) w/ DRL (4) w/o DRL (5) U.S.A.