Nissan offers CONSULT tests for a fee to pin point problems through the ECU. There are procedures to get some of the same results without a CONSULT tool from the ECU's memory.
1. Remove the passenger floor mat (1.).
2. Pull back carpet. It's held up with 3 spots of velcro (2.).
3. Remove the wooden floorboard [read more]
To test for ECU codes, you need to gain access to the ECU itself. It's located under the false floor in the passenger side floorboard. Follow the steps below to gain access to the ECU. Remove the passenger floor mat.Peel the carpet back, it's only attached with Velcro.Remove the wooden false floor, it's held in place with 4x 10mm bolts.On [read more]
It seems to me that one of the hardest things about fixing a Z (apart from needing arms with an extra elbow) is knowing what is wrong with it in the first place. Luckily the engineers at Nissan realised that somewhere down the line people like us were going to have a hell of time getting all of the little [read more]
ECU Swapping, Installing Boost Jets & Other Notes:
Internal combustion engines are, at the most basic level, air pumps. If you pump more air through them you will get more power. There are some little details that get in the way of this simplistic view, but it works well for this discussion. Turbo and Super chargers create [read more]
ECU Tuning for VG30DETT
Generate ECU map tracing using ConZult
by Petri Karjalainen
Special thanks to all who have contributed in this area:
Devin for initiating and writing the ECU tuning info and revision.
Petri for contributing the ConZult tracing info.
Check ECU download page for the latest downables.
by Devin (Z from Japan)
To start off with I will first [read more]
What does the ECU monitor and do?
The ECU takes in quite a few signals from the engine
- Engine coolant temp sensor
- O2 Sensors
- Mass Airflow Sensor
- Knock Sensor
- Fuel Temp Sensor
- Exhaust Gas Temp Sensor (93+)
- Crank Angle Sensor
- Throttle Position Sensor
- Throttle valve switch for Soft/Hard Idle
- Neutral Position Switch
- Speed Sensor
- Ignition Switch
- A/C Switch
- Battery [read more]
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