Temperature Gauge

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Category: Wiring

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Revision as of 00:23, 15 July 2012 ddgonzal (Talk | contribs) (->Thermal Transmitter) <- Previous diff		Current revision ddgonzal (Talk | contribs) (->Thermal Transmitter)
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-	Datsun 1200 comes with a full temperature gauge in the dash, controlled electrically by the '''Thermal Transmitter''' (sender) that is screwed into the cylinder head.	+	Datsun 1200 comes with a full temperature gauge in the [[Cluster Gauge]], controlled electrically by the '''[[Thermal transmitter]]''' (sender) that is screwed into the cylinder head.
	= Instrument Panel Gauge =		= Instrument Panel Gauge =
-	Also see:	+	The temperature gauge is part of the [[Cluster Gauge]]
-	* [[Instruments and Controls#Water Temperature Gauge|Water Temperature Gauge]] in Instruments and Controls	+	<br>{{Album|26218}}
-	* [[Radiator]], section Temperature	+
		+	Also see:
		+	* [[Instruments and Controls#Water Temperature Gauge|Water Temperature Gauge]] in Instruments and Controls
		+	* [[Radiator]], section Temperature
	Dash gauge. It is not unusual with any 10-year old stock radiator for the temperature to rise during summer. If you have this, don't panic. The engine can run all day close to the "H" mark. Just don't let it go over that.		Dash gauge. It is not unusual with any 10-year old stock radiator for the temperature to rise during summer. If you have this, don't panic. The engine can run all day close to the "H" mark. Just don't let it go over that.
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=19604 http://datsun1200.com/uploads/photos/19604.jpg]	+	Normal Temperature
-	<br>Normal Temperature	+	<br>{{Album|19604}}
	According to [[Instruments_and_Controls#Water_Temperature_Gauge|Owner's Manual: Water Temperature Gauge]], this is the normal range.		According to [[Instruments_and_Controls#Water_Temperature_Gauge|Owner's Manual: Water Temperature Gauge]], this is the normal range.
	Normal Range		Normal Range
-	<br>http://datsun1200.com/uploads/newbb/174_4c15ad181d4d8.jpg	+	<br>{{Upload!|174_4c15ad181d4d8.jpg}}
Line 28:		Line 30:
	* 24880-H5500 INDICATOR ASS'Y-water temperature JDM B210		* 24880-H5500 INDICATOR ASS'Y-water temperature JDM B210
		+
		+	== Adjustment ==
		+	{{Album|25788}}
	== Voltage Regulator ==		== Voltage Regulator ==
Line 34:		Line 39:
	* fuel gauge		* fuel gauge
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=19519 http://datsun1200.com/uploads/thumbs/19519.jpg]	+	{{Album|19519}}
Line 45:		Line 50:
	The temperature sender (sensor) is called the thermal transmitter. If varies resistance according to temperature.		The temperature sender (sensor) is called the thermal transmitter. If varies resistance according to temperature.
-	Switch for Temperature Gauge (thermal transmitter)	+	{{Main|Thermal transmitter}}
-	* Nissan 25080-89900 GAUGE-TEMP ENGINE UNIT	+
-	** 25251-30100 NUT [Threads for engine unit]	+
-	**: required. You can re-use your old one.	+
-	* BECK/ARNLEY 2010247 $8.16	+
-	* Airtex 1T1181	+
-	* STANDARD MOTOR PRODUCTS TS69	+
-	* ACDELCO E8041, 19107020	+
-	http://info.rockauto.com/SMP/TS69_FULL.jpg	+	Transmitter at right front corner of head
-	<br>[http://www.rockauto.com/catalog/x,carcode,1208483,parttype,4748 Rockauto.com]	+	<br>{{Upload!|174_5daeec5e51b94.jpg}} {{Album!|12054}}
-	Some aftermarket appear to have integral threads, such as this Airtext T1181	+	{{Upload!|174_5daeec67a8849.jpg}} {{Upload!|174_5daeec6f34ed7.jpg}}
-	<br>http://www.rockauto.com/info/Airtex/1T1181_1.jpg	+
-	Interchange	+	= ECU TEMPERATURE SENSOR =
		+	The late [[Sunny Truck]] has an ECU-controlled carburetor and uses a coolant temp sensor (in addition to the coolant temp sender for the guage).
-	1971-1973 1200	+	22630-N4200 ENGINE COOLANT TEMPERATURE SENSOR $29 USD
-	1973-1976 610	+	* JAPAN C22 K.A15 JAPAN 1985-1991 (5-door high-roof)
-	1968-1970 1600 Roadster	+	* JAPAN B120 A12S 8910- [fitted to front of intake manifold]
-	1975-1979 620	+	* JAPAN B310 A14E [[EGI#EGR]]
-	1968-1970 2000 Roadster	+	* LD20/LD20T/LD28, CD17/CD20,E13S/E15S/E15E/E15T,RD28,MA10S,Y44E,SD33
-	1972-1974 620Pickup	+	* CA18E/CA18ET,L20/L20E/L28E,Z18E/Z20E,FJ20
-	1977-1983 200SX	+	Specs
-	1974-1977 710	+	* 19 mm hex
-	1987-1988 200SX	+	* M12 x 1.5 threads
-	1980-1985 720	+	* rectangle connector
-	1979-1982 210	+	{{Photo|22630-N4200.jpg|Datsun%201200/Parts}}
-	1977-1979 810	+	Most Fuel Injected Datsun-Nissan
-	1970-1973 240Z	+	[http://www.rockauto.com/catalog/x,carcode,1208540,parttype,4748 RockAuto.com]
-	1981 810	+	* BECK/ARNLEY 1580135
-	1974-1975 260Z	+	* FOUR SEASONS 36422
-	1974-1978 B210	+	* FOUR SEASONS 36413
-	1975-1978 280Z	+
-	1986 D21 Pickup	+
-	1979-1983 280ZX	+
-	1976-1978 F10	+
-	1980-1982 310	+
-	1982-1983 Maxima	+
-	1968-1973 510	+
-	1983-1986 PulsarNX	+
-	1978-1981 510	+
-	1983 Sentra	+
-	1968 520 Pickup	+
-	1982-1986 Stanza	+
-	1969-1972 521 Pickup	+
-	25080-89900 GAUGE-TEMP ENGINE UNIT	+	Location on Late Sunny Truck
-	* 720 with Z20/Z22/Z24 engines	+	<br>{{Photo|manifold-late.jpg|sightings/forum}}
-	* 910 with L24 engine	+
-	* B11 with E15/E16 engine	+
-	* N10 Pulsar with A14/A15/E15 engines	+
-	* N12 Pulsar with E15ET engine	+
-	* S110 Z20E/Z22E	+
-	* S12 CA18ET/CA20E	+
-	* T11 CA20S/CA20E	+
-		+
-	Beck/Arnley 2010247 Water Temperature Switch $17.49 at schucks.com	+
-	Standard Motor Products TS69 Engine Coolant Temperature Sender	+
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=8122 http://datsun1200.com/uploads/photos/thumbs/8122.jpg] Transmitter is at very front of right side	+	= Wiring =
		+	Yellow/White wire connects to the Sender near the front of the cylinder head.
		+	<br>{{Album|8122}}
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=15003 http://datsun1200.com/uploads/photos/thumbs/15003.jpg] Tranmitter at left side, pointing up> it has a threaded collar nut to hold it in.	+	This YW wire goes straight to the Cluster Gauge connector. See: [[Instrument Panel Wiring]].
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=3640 http://datsun1200.com/uploads/photos/thumbs/3640.jpg] Transmitter at right front corner of head (in the photo: left side of front of head)	+	Late Sunny Truck: Transmitter <--> Y/W/R engine harness <--> Y/W instrument harness <--> Dash Round Plug #1 <--> temp gauge <--> Instrument Panel Voltage Regulator
-	= Troubleshooting =	+	== Regulator ==
		+	{{VR}}
		+
		+	== Troubleshooting ==
	First, clean the connections of the wire to the thermal transmitter (engine temp sensor).		First, clean the connections of the wire to the thermal transmitter (engine temp sensor).
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=15170 http://datsun1200.com/uploads/photos/thumbs/15170.jpg]	+	<br>{{AlbumC|15170|h=50|shape=27205|t=160|l=83}}
	<br>Yellow wire just about hose clamp		<br>Yellow wire just about hose clamp
	<br>Remove the wire and clean the connector. Replace. Make sure the wire fits tight.		<br>Remove the wire and clean the connector. Replace. Make sure the wire fits tight.
-
	* If both fuel and temperature gauges do not work at all, the fuse is likely burnt out. Inspect the fuse. If the fuse is good, the instrument panel voltage regulator may be bad		* If both fuel and temperature gauges do not work at all, the fuse is likely burnt out. Inspect the fuse. If the fuse is good, the instrument panel voltage regulator may be bad
Line 130:		Line 109:
	Accuracy Test		Accuracy Test
-	* Buy a 116-ohm resistor at Radio Shack or other electronics store.	+	* Buy a 20-ohm resistor at Radio Shack or other electronics store.
	# At the engine, locate the thermal transmitter:		# At the engine, locate the thermal transmitter:
	#:		#:
-	# Pull the wire off the transmitter and put a 116-ohm resistor from the wire to earth/ground	+	# Pull the wire off the transmitter and put a 20-ohm resistor from the wire to earth/ground
-	# Turn IGN switch to "ON". Gauge should read 50C/122F, or between C and H ranges (in middle range)	+	# Turn IGN switch to "ON". Gauge should read about halfway (straight up and down).
		+
		+	== Nissan Electrical ==
		+	From the 1973 Datsun 1200 [[Factory Service Manual]].
		+
		+	Ohms Temp
		+	100 50C (122F)
-	[[Category:Wiring]]	+	[[Category:Wiring]]{{End}}

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Current revision

Datsun 1200 comes with a full temperature gauge in the Cluster Gauge, controlled electrically by the Thermal transmitter (sender) that is screwed into the cylinder head.

Contents 1 Instrument Panel Gauge 1.1 Adjustment 1.2 Voltage Regulator 2 Thermal Transmitter 3 ECU TEMPERATURE SENSOR 4 Wiring 4.1 Regulator 4.2 Troubleshooting 4.3 Nissan Electrical

Instrument Panel Gauge

The temperature gauge is part of the Cluster Gauge
Album 26218

Also see:
* Water Temperature Gauge in Instruments and Controls
* Radiator, section Temperature

Dash gauge. It is not unusual with any 10-year old stock radiator for the temperature to rise during summer. If you have this, don't panic. The engine can run all day close to the "H" mark. Just don't let it go over that.

Normal Temperature
Album 19604

According to Owner's Manual: Water Temperature Gauge, this is the normal range.

Normal Range

Part Number

• 24880-H1000 GAUGE-water temperature JDM [kaku]
• 24880-H1000 GAUGE-water temperature B120 -7803
• 24880-H1800 GAUGE-water temperature JDM [maru]
• 24880-H1800 GAUGE-water temperature B120 7804-
• 24880-H1800 GAUGE-WATER TEMP USA [round gauge]
• 24880-H3100 GAUGE-water 1972 JDM

• 24880-H5500 INDICATOR ASS'Y-water temperature JDM B210

Adjustment

Album 25788

Voltage Regulator

The instrument panel voltage regulator is integrated with the Temperature Gauge and is not sold separately. This regulates:

• temperature gauge
• fuel gauge

Album 19519

• 24880-H1000 METER ASSY-WATER TEMPERATURE -7803
  • For round and rectangle gauge panels
• 24880-H3100 Gauge W/temp 7804- $50.60 USD
  • also used by 620 truck 1972-1979

Thermal Transmitter

The temperature sender (sensor) is called the thermal transmitter. If varies resistance according to temperature.

Transmitter at right front corner of head

ECU TEMPERATURE SENSOR

The late Sunny Truck has an ECU-controlled carburetor and uses a coolant temp sensor (in addition to the coolant temp sender for the guage).

22630-N4200 ENGINE COOLANT TEMPERATURE SENSOR $29 USD
* JAPAN C22 K.A15 JAPAN 1985-1991 (5-door high-roof)
* JAPAN B120 A12S 8910- [fitted to front of intake manifold]
* JAPAN B310 A14E EGI#EGR
* LD20/LD20T/LD28, CD17/CD20,E13S/E15S/E15E/E15T,RD28,MA10S,Y44E,SD33
* CA18E/CA18ET,L20/L20E/L28E,Z18E/Z20E,FJ20
Specs
* 19 mm hex
* M12 x 1.5 threads
* rectangle connector

Most Fuel Injected Datsun-Nissan
RockAuto.com
* BECK/ARNLEY 1580135
* FOUR SEASONS 36422
* FOUR SEASONS 36413

Location on Late Sunny Truck

Wiring

Yellow/White wire connects to the Sender near the front of the cylinder head.
Album 8122

This YW wire goes straight to the Cluster Gauge connector. See: Instrument Panel Wiring.

Late Sunny Truck: Transmitter <--> Y/W/R engine harness <--> Y/W instrument harness <--> Dash Round Plug #1 <--> temp gauge <--> Instrument Panel Voltage Regulator

Regulator

The coolant/water temperature gauge incorporates a voltage regulator, which controls both fuel and water gauges.

• If both the water and fuel gauges are off, suspect the regulator
• If only one gauge is incorrect, suspect a bad connection, usually at the sender

See:  Fuel Gauge Wiring
See:  Temperature Gauge Wiring

Temperature Sender at cylinder head (on right side of head, at the very front):
Album 8122

Fuel Level Sender at fuel tank
Album 24469

Voltage Regulator is part of Temperature Gauge
Album 19519

Voltage Regulator Circuit in Cluster Gauge

Troubleshooting

First, clean the connections of the wire to the thermal transmitter (engine temp sensor).

Yellow wire just about hose clamp
Remove the wire and clean the connector. Replace. Make sure the wire fits tight.

• If both fuel and temperature gauges do not work at all, the fuse is likely burnt out. Inspect the fuse. If the fuse is good, the instrument panel voltage regulator may be bad

• If both fuel gauge and temperature gauge read incorrectly (high or low) or fluctuate, the problem is likely the shared instrument panel voltage regulator. But first check the wiring connections. They may be loose or corroded.

• If gauge reads MAX hot with ignition OFF, gauge is defective.

• If gauge reads MAX hot with ignition ON, but cold with ignition OFF, transmitter is bad

• Ground sensor wire at engine. If gauge fluctuates, gauge is bad

Accuracy Test

• Buy a 20-ohm resistor at Radio Shack or other electronics store.

1. At the engine, locate the thermal transmitter:

2. Pull the wire off the transmitter and put a 20-ohm resistor from the wire to earth/ground
3. Turn IGN switch to "ON". Gauge should read about halfway (straight up and down).

Nissan Electrical

From the 1973 Datsun 1200 Factory Service Manual.

Ohms  Temp
100   50C (122F) 

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