ENGINE COMPRESSION
Ensure battery is fully charged. Check engine compression with engine at normal operating temperature, at specified cranking speed, all spark plugs removed and throttle wide open.
| Applications | Psi (kg/cm 2 ) |
|---|
| FX35, FX45, I35 & QX4 |
| Standard | 185 (13.0) |
| Minimum | 142 (10.0) |
| Maximum Variation Between Cylinders | 14 (1.0) |
| G35, Q45 & M45 |
| Standard | 191 (13.5) |
| Minimum | 164 (11.5) |
| Maximum Variation Between Cylinders | 14 (1.0) |
| (1) With engine at 300 RPM. |
| (1) | With engine at 300 RPM. |
COMPRESSION SPECIFICATIONS (1)
IGNITION COIL
Note. Information is not available from manufacturer.
SPARK PLUG WIRE RESISTANCE
Note. Information is not available from manufacturer.
SPARK PLUGS
| Application | NGK No. |
|---|
| All Models |
| Standard | PLFR5A-11 |
| Hot | PLFR4A-11 |
| Cold | PLFR6A-11 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| FX35 & FX45 | .043 (1.10) | 18 (24.6) |
| G35, I35, M45, QX4 & Q45 | .043 (1.10) | 14-22 (20-29) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER & TIMING MARKS
Scheme 1
Scheme 1: Firing Order (FX35, FX45, G35, I35 & QX4)
Scheme 2
Scheme 2: Firing Order (M45 & Q45)
IGNITION TIMING
| Application | (1) Specification |
|---|
| G35, I35 & QX4 | 10-20° BTDC |
| FX35, FX45, M45 & Q45 | 7-17° BTDC |
| (1) With transmission in Neutral and no electrical load on engine. |
| (1) | With transmission in Neutral and no electrical load on engine. |
IGNITION TIMING (Degrees BTDC @ Idle)
FUEL PUMP
| Application | Psi (kg/cm 2 ) (1) | (2) psi (kg/cm 2 ) |
|---|
| All Models | 51 (3.57) | 43 (3.0) |
| (1) With vacuum hose connected at fuel pressure regulator. (2) With vacuum hose disconnected at fuel pressure regulator. |
| (1) | With vacuum hose connected at fuel pressure regulator. |
| (2) | With vacuum hose disconnected at fuel pressure regulator. |
INJECTOR RESISTANCE
| Application | Ohms @ 68°F (20°C) |
|---|
| All Models | 13.5-17.5 |
INJECTOR RESISTANCE SPECIFICATIONS
IDLE SPEED
| Application | Idle RPM (1) | CO Level |
|---|
| G35, FX35, FX45, M45 & Q45 | 600-700 | (2) |
| I35 | 625-725 | (2) |
| QX4 | 700-800 | (2) |
| (1) With transmission in Neutral and no electrical load on engine. (2) See underhood emission decal for specification. |
| (1) | With transmission in Neutral and no electrical load on engine. |
| (2) | See underhood emission decal for specification. |
THROTTLE POSITION (TP) SENSOR
| Throttle Position | Volts |
|---|
| All Models |
| TP Sensor No. 1 |
| Fully Closed | More Than .36 |
| Fully Open | Less Than 4.75 |
| TP Sensor No. 2 |
| Fully Closed | Less Than 4.75 |
| Fully Open | More Than .36 |
THROTTLE POSITION (TP) SENSOR OUTPUT VOLTAGE
