MA70 7M Temperature sensors 89462-40010 Switch | Cold Start Injector 88790-24090 Thermistor | Aux Fan Sensor 89422-12010 Sensor, Efi  | Ecu Temp Sensor 83420-20020 Water temperature sensor | Sensor Dash Gauge 88790-24110 Thermistor | ACContinue reading

2JZ OBD Engine error checking The ECU stores an error code so that you can check for problems. Rather than requiring a bug diagnostics machine, you can use a simple paperclip, or a short wire.Continue reading

Looking to put 2JZ cams into a 1JZ-GTE? Look here!

The ultimate 1JZ and 2JZ swap for dummies Taken from supramania Background Information The MKIII came with a lot of interchangeable parts. The engine and body harness were different for certain years and so wereContinue reading

Wiring the 2JZ into the MA70 chassis This is for swapping a 1st gen Aristo 2JZ-GTE into a pre89 MKIII (Taken from Supramania.com for backup/archiving purposes) How to read: The first part deals with theContinue reading

Toyota speed sensor Introduction This page documents Toyota speed sensors.   There are two main types of Toyota speed / position sensor, '3 Wire' and '2 Wire'.  These are described in more detail below.  Continue reading

2JZ-GTE VVTi JZA80 Supra Engine Wiring Introduction This page provides information in regards to 2JZ-GTE VVTi engine wiring as found in the Japanese JZA80 Toyota Supra.   JZA80 Toyota Supra 2JZ-GTE VVTi Engine ECU PartContinue reading

JZS147 Toyota Aristo 2JZ-GTE Engine ECU Pinout Introduction This page provides information in regards to 2JZ-GTE engine wiring as found in the Japanese JZS147 Toyota Aristo.   JZS147 Toyota Aristo 2JZ-GTE Engine ECU Part NumbersContinue reading

6M-GEU MZ12 Soarer engine wiring 6M-GEU MZ12 Soarer Engine Wiring   Introduction This page provides information in regards to 6MGEU engine wiring as found in the Japanese MZ12 Toyota Soarer.   MZ12 Toyota Soarer 6MGEUContinue reading

2JZ-GE to JZA80 Engine wiring 2JZ-GE JZA80 Supra Engine Wiring   Introduction This page provides information in regards to 2JZ-GE engine wiring as found in the Japanese JZA80 Toyota Supra.   JZA80 Toyota Supra 2JZ-GEContinue reading

JZS161 Toyota Aristo engine wiring 2JZ-GTE VVTi JZS161 Aristo Engine Wiring  Note that the later revision engine ECU has an engine immobilizer inbuilt to the engine ECU. JZS161 Toyota Aristo 2JZ-GTE VVTi Engine ECU PinoutContinue reading

MA70 brake upgrade FRONT BRAKES: Calipers: 2 used Mercedes-Benz W220 front calipers. both long and short mounting tabs work. Mercedes S-Class W220 s500 calipers: OEM part numbers are A0014208283 (left side) and A0014208383 (right side)Continue reading

JZ Rear sump conversion Part list to convert your JZ engine to rear sump. List taken from supraforums.com, posted by Curt Aigner.   Toyota Part Nr. Part Amount 90182-06005 NUT 2 91621-60612 BOLT 1 15147-AD010Continue reading

2JZ-GTE VVTi information With this post I will try to add as much VVT-i information about the 2jz as possible. 1Jz info is missing for the most part so if you happen to have informationContinue reading

Cleaning the 2JZ VVTI oil control valve Originally written by 2JZgarage OCV This is a guide to cleaning the VVTi Oil Control Valve (OCV) and filter on the 2JZGTE or 2JZGE VVTi engine. This isContinue reading

Adjusting the JZ Throttle Position Sensor The following tests can be performed to ensure the health of the TCM (Throttle Control Motor), TPS (Throttle Position Sensor) and the APPS (Accelerator Pedal Position Sensor) You canContinue reading

1JZ English TSRM (partial) 1JZ tsrm partially translated (not by Shoarmateam). You can use the 2JZ TSRM for most of the 1JZ stuff, but for all of you who would really like to view theContinue reading

MKII / MKIII Supra radio wiring Radio wiring information for the MKII and MKIII Toyota Supra.   Toyota-radio-wiring.pdf   1989+ Toyota In Dash Wire Color Power Connections: Brown - Ground Blue/Yellow - Switched + 12VContinue reading

MKIII Supra BOV replacement The MKIII Supra 7M-GTE BOV's are most likely broken after 25+ years of use. You can test them by removing the bov from the car and trying to blow through itContinue reading

1G-xGE TSRM The 1G Toyota Service and Repair Manual (TSRM) Available from our site here: 1GGxE 0Engine TSRM   Original toyota handbook. Copyrights belong to their respective owners.

ST185 TSRM and ECU pinout Toyota TMC's repair manuals for the world famous ST185 world rally car  for the road, powered by the 3S-GTE engine. Toyota St185 Repair manual Toyota ST185 Service manual See also:Continue reading

ST165 TSRM and ECU pinout The Toyota Servica and Repair manual for the Celica ST165 powered by the 3S-GTE engine. 3S-GTE 1991 repair manual Toyota St165 repair manual See also: All 3S-GTE ECU pinouts  Continue reading

3SGTE Engine ECU Layout All generation 3S-GTE ecu pinouts, ranging from ST165 to ST205 and SW20.   Most of the terminal abbreviations: Related articles Like this?Tags1jz 1jz-gte 1jzgte 2jz 2jz-gte 2jzgte 3sgte 7m 7mgte celicaContinue reading

2JZ True Twin conversion True Twin Conversion (Taken from MKIV.com) What it does: converts the turbos from sequential operation (#1 turbo first, then #1 and #2 together), to parallel operation (both turbos spool up togetherContinue reading

7M-GTE EGR-less vacuum routing Here's a schematic of how to connect your vacuum hoses when you have removed both the EGR and the charcoal canister from your 7M-GTE To get block-off plates, just use someContinue reading

MKIV Supra 12Volt Mod This information was obtained from MKIV.com, and the original write-up was made by 'Brian B'. Credits to the original writer were due.   The Concept The stock fuel pump on theContinue reading

MKIII Supra dipstick upgrade The dipstick on MKIII supras is not always read easily to say the least, and the MA70 supra does not have an oil pressure or level warning light. That’s all theContinue reading

Celica Supra MKII TSRM The Celica Supra MKII, also referred to as 'MK2 supra' Toyota service and repair manual. Available for download here: TSRM MKIII Celica Supra Euro brake pads Celica Supra owners manual USAContinue reading

R154 Shifter bushing upgrade Our R154  (and W58) gearboxes are several years old and sometimes they just don't shift like you would anymore.  One cause of this harsh shifting is that the plastic bushing inContinue reading

This is article title 1JZ Part cross reference  Description Toyota Part number Source car or engine (avail domestically) Aftermarket sources Est Cost Cooling System Toyota Part number Closest US available part (if applicable) Source carContinue reading

2JZGTE ECU on a 1JZ-GTE Because of the instability issues with the 1JZ stock EMS it is a nice upgrade to switch to a 2JZ-GTE EMS. Almost or all sensors on the 1JZ are identicalContinue reading

Supra MKIV Toyota Service and Repair Manual. Checkout alle the PFD's (Copyright by Toyota TMC) with the Supra TSRM info. Engine repair: Engine repair: Engine Mechanical Engine Mechanical 1997 (Supplement) Cooling system Emission System 2JZ-GTEContinue reading

Ecu error code check Het is vrij eenvoudig om zelf de foutcodes van je computer (de ecu) uit te lezen. Dit kan met behulp van een draadje of paperclip. De supra ECU bewaart alle foutcodesContinue reading

Looking for  your color code? It’s in your VIN TAG! Starts with JT2MA71 (jt2=made in japan + division, ma71=chassis code) etc etc:   All color codes here:

The Vf signal is one of the more important ECU output signals, as it essentially reports on how well the ECU is adjusting the fuel trim to meet engine load levels.

This is how you convert from an automatic gearbox to a manual gearbox in the MKIII Supra

How to repair your 1JZ/2JZ ECU: