Table of contents: Technical characteristics of the…↓ Recommended fuel ↓ Tightening torques for threaded…↓
Throttle Potentiometer Connection Connector - Manual Transmission Models
Throttle Body Potentiometer Connection Connector - Automatic Transmission Models
Fuel knock sensor connection connector
(For more information, see the website: «nissanbook»)
| System type | Nissan Electronic Multi-Point Fuel Injection System |
| Application: | |
| – models with a 1.6 liter engine | Engine code GA16DE |
| – models with a 2.0 liter engine | Engine code SR20De and SR20DE |
Technical characteristics of the power supply system
Idle speed and fuel mixture characteristics are given in the relevant chapter.
| Fuel pump type | Electric, mounted in the fuel tank |
| Fuel pump pressure (approx): | |
| – models with a 1.6 liter engine | 2.5 Bar |
| – models with a 2.0 liter engine | 3.0 Bar |
| Control data of power supply system elements: | |
| – models with a 1.6 liter engine | |
| Fuel pump resistance (the tester is connected to the fuel level sensor) | 0.7 Ohm |
| Throttle potentiometer resistance (see Fig. Throttle potentiometer connection connector – models with manual transmission). | |
| The tester is connected between terminals "A" and "B": | |
| - throttle valve closed | 0.5 kOhm |
| - the throttle valve is partially open | 0.5 – 4 kOhm |
| - the throttle valve is fully open | 4 kOhm |
| Injector resistance | 10 Ohm |
| Resistance of additional air supply valve | 10 Ohm |
| Cold engine idle speed increase solenoid valve: | |
| – when applying 12 volts between the terminals of the electromagnetic valve | The solenoid valve should make a clicking sound, indicating that it is working properly |
| Power steering membrane switch: | |
| When turning the steering wheel | The switch closes the circuit |
| The steering wheel is motionless | The switch opens the circuit |
| Coolant temperature sensor resistance: | |
| – at a coolant temperature of 20°C | 2.1 – 2.9 kOhm |
| – at 90°C | 0.24 – 0.26 kOhm |
| – at 110°C | 0.14 – 0.15 kOhm |
| Models with 2.0 liter engine: | |
| – fuel pump resistance (the tester is connected to the fuel level sensor) | 0.7 Ohm |
| Throttle potentiometer resistance on models with manual transmission (see fig. Throttle potentiometer connection connector - models with manual transmission). | |
| The tester is connected between terminals "A" and "B": | |
| - throttle valve closed | 2 kOhm |
| - the throttle valve is partially open | 2 – 11 kOhm |
| - the throttle valve is fully open | 11 kOhm |
| Throttle potentiometer resistance on models with automatic transmission (see fig. Throttle potentiometer connection connector - models with automatic transmission). | |
| The tester is connected between terminals "1" and "2": | |
| - throttle valve closed | The circuit is closed |
| - the throttle valve is open | The circuit is open |
| Injector resistance | 10 – 14 Ohm |
| Resistance of additional air supply valve | 10 Ohm |
| Cold engine idle speed increase solenoid valve: | |
| – when applying 12 volts between the terminals of the electromagnetic valve | The solenoid valve should make a clicking sound, indicating that it is working properly |
| Air flow control valve resistance | 70 – 80 Ohm |
| Fuel knock sensor (see fig. Fuel denotation combustion sensor connection connector): | |
| The tester is connected between terminal "A" and (ground) of the vehicle | The sensor must conduct current |
| Power steering membrane switch: | |
| When turning the steering wheel | The switch closes the circuit |
| The steering wheel is motionless | The switch opens the circuit |
| Coolant temperature sensor resistance: | |
| At a coolant temperature of 20°C | 2.1 – 2.9 kOhm |
| – at 50°C | 0.68 – 1.0 kOhm |
| – at 80°C | 0.30 – 0.33 kOhm |
Attention! All resistance values given are approximate. Consult with specialists before considering any element as faulty.
Recommended fuel
| Models without catalytic converter (models "non-catalyst") | AI-95 without tetraethyl lead or AI-97 with tetraethyl lead |
| Models with catalytic converter (models "catalyst") | AI-95 without tetraethyl lead. Gasoline containing tetraethyl lead is prohibited. |
Tightening torques for threaded connections
| Throttle body mounting bolts: | |
| - stage 1 | 10 |
| - stage 2 | 20 |
| Fuel manifold mounting bolts: | |
| - stage 1 | 10 |
| - stage 2 | 24 |
Bolt for fixing the fuel detonation sensor-models with a 2.0-liter engine | 24 |
| Intake Manifold Fastening Nuts and Bolts | 20 |
| Exhaust manifold mounting nuts and bolts: | |
| – models with a 1.6 liter engine | 21 |
| – models with a 2.0 liter engine | 43 |
| Exhaust system mounts: | |
| Nuts securing the inlet pipe to the exhaust manifold: | |
| – models with a 1.6 liter engine | 32 |
| - "Phase I" models (released before June 1993) with a 2.0 liter engine | 45 |
| - "Phase II" models (released after June 1993) with a 2.0 liter engine | 65 |
| Mounting bolt of the inlet pipe | 23 |
| Nuts securing the downpipe to the intermediate pipe/catalytic converter | 49 |
| Bolts securing the catalytic converter to the muffler pipe | 49 |
| Bolts for fastening the intermediate pipe to the muffler pipe | 49 |