Toyota CN-TS0171LA, CN-TS0170LA Service Manual

Specifications*

General
Power Supply	DC 12V (11V - 16V),
	Test Voltage 13.2V
	Negative Ground
Current Consumption	Less than 0.5A
Display Block
Display Type	Positive Pattern LCD Display
	Dot-Matrix
Display Size	68×33mm
Escutcheon Color
CX-TS0170K	Shadow Gray
CX-TS0171K	Turquoise
Display Illumination	Back-Light Type
Dimensions**(W×H×D)	180.8×68.1×133.0mm
Weight**	580g

CN-TS0170LA

CN-TS0171LA

DISPLAY UNIT

PART No. (CN-TS0170LA) : 86110-0D021-B1

(CN-TS0171LA) : 86110-0D021-H0

VEHICLE : YARIS

DESTINATION : Europe

PRODUCED AFTER : Dec., 2000

*Specifications and the design are subject to possible modification without notice due to improvements.

**Dimensions and Weight shown are approximate.

CN-TS0170LA / CN-TS0171LA

CONTENTS

		Page			Page
1	FEATUERS	2	7	TERMINALS DESCRIPTION	5
2	SYSTEM BLOCK DIAGRAM	2	8	IC BLOCK DIAGRAM	6
3	FRONT VIEW AND FUNCTIONS	2	9	REPLACEMENT PARTS LIST	7
4	REAR VIEW AND CONNECTORS	3	10	EXPLODED VIEW	10
5	WIRING CONNECTION	3	11	WIRING DIAGRAM	11
6	BLOCK DIAGRAM	4	12	SCHEMATIC DIAGRAM	15

1	FEATUERS
•	Employing HIT 64 for the transmission with NAVI (provided only for Highgrade display).

• Featuring the function of displaying various Trip Information [Outside air temperature, Cruising Range(CN-TS0170K) instantaneous fule consumption, average fule consumption and average travelling speed].

2 SYSTEM BLOCK DIAGRAM

3 FRONT VIEW AND FUNCTIONS

2

CN-TS0170LA / CN-TS0171LA

4 REAR VIEW AND CONNECTORS

5 WIRING CONNECTION

3

CN-TS0170LA / CN-TS0171LA

6 BLOCK DIAGRAM

4

CN-TS0170LA / CN-TS0171LA

7 TERMINALS DESCRIPTION

7.1.Main/Display Block

IC600 : C2CBHG000070

Pin	Port	Descriptions	I/O	Vol.
No.				(V)
1	D/A1 (NC)	-	-	-
2	D/A0 (NC)	-	-	-
3	NC	-	-	-
4	NC	-	-	-
5	TAU	Injecter Pulse Input	I	0
6	GND	GND	-	0
7	CNVSS	GND	-	0
8	XCIN	Crystal Oscillator Input	I	1.5
		(32.768kHz)
9	XCOUT	Crystal Oscillator Output	O	1.3
		(32.768kHz)
10	RESET	Reset Input	I	5.1
11	XOUT	Crystal Oscillator Output	O	2.5
		(10MHz)
12	VSS	GND	-	0
13	XIN	Crystal Oscillator Input	I	2.3
		(10MHz)
14	VCC	+5V Power Supply	-	5.1
15	BYTE	+5V Power Supply	-	5.1
16	+B DET	Power Supply Level	I	5.1
		Detection(+B)
17	ACC DET	Power Supply Level	I	5.0
		Detection(ACC)
18	SPD	Speed Pulse Input	I	0
19	AVC TM	AVC-LAN Start/Stop Detection	I	0
20	DRV P	Internal Power Supply Control	O	5.1
21	NC	-	-	-
22	NC	-	-	-
23	VOL B	Volume Pulse Counter Input	I	0.5
24	VOL A	Volume Pulse Counter Input	I	0.5
25	DE	Enab;e Signal Output for HIT64	O	0
26	HBRQ	Bus Request Signal Output for	O	0
		HIT64
27	AVC RX	AVC-LAN Data Input	I	0
28	AVC TX	AVC-LAN Data Output	O	0
29	SI	Serial Data Output for LCD	O	0
		Driver
30	NC	-	-	-
31	SCL	Serial Clock Output for LCD	O	5.1
		Driver
32	CS2	Chip Select Output for LCD	O	5.1
		Driver
33	SOUT	Serial Data Output for HIT64	O	0
34	SIN	Serial Data Input for HIT64	I	2.3
35	CS1	Chip Select Output for LCD	O	4.9
		Driver
36	A0	Data/Command Selector for LCD	O	0
		Driver
37	NC	-	-	-
38	NC	-	-	-
39	NC	-	-	-
40	LCD-P (NC)	-	-	-
41	THM-P (NC)	-	-	-
42	BL-P	LCD Back Light Control	O	5.1
43	RES	Reset Output for LCD Driver	O	0
44	HPM (NC)	-	-	-
45	MODE2	Back Light Dimmer Control	O	5.1
		Output
46	MODE1	-	-	-
47	MODE0	Illumination Control Output	O	5.1
48	CS1 (NC)	-	-	-
49	KEY S3	Key Scan Source Output 3	O	0
50	KEY S2	Key Scan Source Output 2	O	4.9
51	KEY S1	Key Scan Source Output 1	O	5
52	KEY S0	Key Scan Source Output 0	O	4.9
53	KEY D7	Key Scan Input 7	I	5.1
54	KEY D6	Key Scan Input 6	I	5.1
55	KEY D5	Key Scan Input 5	I	5.1
56	KEY D4	Key Scan Input 4	I	5.1

Pin	Port	Descriptions	I/O	Vol.
No.				(V)
57	KEY D3	Key Scan Input 3	I	5.1
59	KEY D2	Key Scan Input 2	I	5.1
59	KEY D1	Key Scan Input 1	I	5.1
60	VCC	+5V Power Supply	-	5.1
61	KEY D0	Key Scan Input 0	I	5.1
62	VSS	GND	-	0
63	MODEL3	Model Selector Signal 3	I	5.1
64	MODEL2	Model Selector Signal 2	I	5.1
65	MODEL1	Model Selector Signal 1	I	5.1
66	MODEL0	Model Selector Signal 0	I	5.1
67	VER4	Engine Type Signal 4	I	0
68	VER3	Engine Type Signal 3	I	0
69	VER2	Engine Type Signal 2	I	0
70	VER1	Engine Type Signal 1	I	0
71	VREF-D9	-	-	-
	(NC)
72	VREF-D8	-	-	-
	(NC)
73	VREF-D7	-	-	-
	(NC)
74	VREF-D6	-	-	-
	(NC)
75	VREF-D5	Reset Detection for LCD Driver	I	5.1
76	TEST MODE	-	-	-
	(NC)
77	VREF-D3	-	-	-
	(NC)
78	VREF-D2	-	-	-
	(NC)
79-86	DM-D9 - D2	-	-	-
87-89	NC	-	-	-
90	LCD TEMP	LCD Temperature Detection	I	3.2
		Thermister Input
91	IG	Ignition Voltage Input	I	0
92	FUEL	Fuel Meter Detection Signal	I	5.1
93	TEMP	Open Air Temperature Sensor	I	0
		Input
94	AVSS	GND	-	0
95	TAUB	Injecter Drive Voltage Input	I	0
96	VREF	+5V Power Supply	-	5.1
97	AVCC	+5V Power Supply	-	5.1
98	L (NC)	-	-	-
99	NC	-	-	-
100	ILL+	Illumination Detect	I	0

Note :

Voltage measuerments are with respect to ground, with a voltmeter (Internal resistance : 10M ohms.)

5