ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | Specification |
|---|
| Compression Ratio |
| 3.0L Non-Turbo (2JZ-GE) | 10.1:1 |
| 3.0L Turbo (2JZ-GTE) | 8.5:1 |
| Compression Pressure |
| 3.0L Non-Turbo (2JZ-GE) | 185 psi (13.0 kg/cm 2 ) |
| 3.0L Turbo (2JZ-GTE) | 156 psi (10.9 kg/cm 2 ) |
| Minimum Compression Pressure |
| 3.0L Non-Turbo (2JZ-GE) | 156 psi (10.9 kg/cm 2 ) |
| 3.0L Turbo (2JZ-GTE) | 128 psi (9.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | In. (mm) (1) |
|---|
| Exhaust | .010-.014 (.25-.35) |
| Intake | .006-.010 (.15-.25) |
| (1) Adjust valve clearance with engine cold. |
| (1) | Adjust valve clearance with engine cold. |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
|---|
| 3.0L Non-Turbo | .21-.33 | 6400-11,100 |
| 3.0L Turbo | .54-.84 | (1) * |
| (1) Secondary ignition coil resistance cannot be measured. |
| (1) | Secondary ignition coil resistance cannot be measured. |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
DISTRIBUTOR SENSORS
| Application | In. (mm) |
|---|
| 3.0L Turbo (2JZ-GTE) | (1) * |
| 3.0L Non-Turbo (2JZ-GE) | .008-.020 (.20-.51) |
| (1) Distributorless Ignition System (DIS) is used. |
| (1) | Distributorless Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL AIR GAP
| Pick-Up Coil Terminals (1) | (2) Ohms |
|---|
| 3.0L Non-Turbo (2JZ-GE) |
| G1 & G | 125-200 |
| G2 & G | 125-200 |
| NE & G | 155-250 |
| 3.0L Turbo (2JZ-GTE) | (3) * |
| (1) For proper testing and terminal identification, see BASIC TESTING article. (2) Specification is with pick-up coil temperature between 14 and 122°F (-10 and 50°C). (3) Distributorless Ignition System (DIS) is used. |
| (1) | For proper testing and terminal identification, see BASIC TESTING article. |
| (2) | Specification is with pick-up coil temperature between 14 and 122°F (-10 and 50°C). |
| (3) | Distributorless Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | (1) Ohms |
|---|
| 3.0L Turbo (2JZ-GTE) | (2) * |
| (1) Specification is with camshaft position sensor temperature between 14 and 122°F (-10 and 50°C). (2) Resistance between camshaft position sensor terminals should be 835-1400 ohms on Nippondenso sensors or 985-1600 ohms on Aisan sensors. |
| (1) | Specification is with camshaft position sensor temperature between 14 and 122°F (-10 and 50°C). |
| (2) | Resistance between camshaft position sensor terminals should be 835-1400 ohms on Nippondenso sensors or 985-1600 ohms on Aisan sensors. |
CAMSHAFT POSITION SENSOR RESISTANCE
| Application | (1) Ohms |
|---|
| 3.0L Turbo (2JZ-GTE) | (2) * |
| (1) Specification is with crankshaft position sensor temperature between 14 and 122°F (-10 and 50°C). (2) Resistance between crankshaft position sensor terminals should be 835-1400 ohms on Nippondenso sensors or 985-1600 ohms on Aisan sensors. |
| (1) | Specification is with crankshaft position sensor temperature between 14 and 122°F (-10 and 50°C). |
| (2) | Resistance between crankshaft position sensor terminals should be 835-1400 ohms on Nippondenso sensors or 985-1600 ohms on Aisan sensors. |
CRANKSHAFT POSITION SENSOR RESISTANCE
HIGH TENSION WIRE RESISTANCE
| Application | Maximum Ohms |
|---|
| Supra | 25,000 Per Wire |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | NGK No. | Nippondenso No. |
|---|
| Turbo | BKR6EP11 | PK20R11 |
| Non-Turbo | BKR5EP11 | PK16R11 |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|
| Supra | .043 (1.09) | 13 (18) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
| Application | Firing Order |
|---|
| 6-Cylinder (1) | 1-5-3-6-2-4 |
| (1) No. 1 cylinder is located at timing belt or timing chain end of engine. No. 6 cylinder is located at flywheel end. |
| (1) | No. 1 cylinder is located at timing belt or timing chain end of engine. No. 6 cylinder is located at flywheel end. |
IGNITION TIMING
| Application (1) | (2) Base Timing | (3) Advance Timing |
|---|
| 3.0L Non-Turbo | 10° @ 700 RPM | 7-19° @ 700 RPM |
| 3.0L Turbo | 10° @ 650 RPM | 10-20° @ 650 RPM |
| (1) Check with transmission in Neutral, parking brake applied, electric cooling fan (if equipped) and A/C off. (2) With jumper wire installed between data link connector terminals TE1 and E1. (3) With jumper wire removed from data link connector. |
| (1) | Check with transmission in Neutral, parking brake applied, electric cooling fan (if equipped) and A/C off. |
| (2) | With jumper wire installed between data link connector terminals TE1 and E1. |
| (3) | With jumper wire removed from data link connector. |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
Note. Fuel pump performance measures fuel pressure, not regulated fuel pressure.
| Application | (1) Pressure psi (kg/cm 2 ) |
|---|
| 3.0L Non-Turbo (2JZ-GE) | 38-44 (2.7-3.1) |
| 3.0L Turbo (2JZ-GTE) | 33-40 (2.3-2.8) |
| (1) Check fuel pressure with jumper wire installed between data link connector terminals +B and FP, ignition on and engine off. |
| (1) | Check fuel pressure with jumper wire installed between data link connector terminals +B and FP, ignition on and engine off. |
| Application/ Model | At Idle W/ Vacuum: psi (kg/cm 2 ) | At Idle W/O Vacuum psi (kg/cm 2 ) |
|---|
| 3.0L Non-Turbo | 28-34 (2.0-2.4) | 38-44 (2.7-3.1) |
| 3.0L Turbo | 24-31 (1.7-2.2) | 33-40 (2.3-2.8) |
| Application | Ohms |
|---|
| Supra | .2-3.0 |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| 3.0L Non-Turbo (2JZ-GE) | 13.4-14.2 |
| 3.0L Turbo (2JZ-GTE) | 1.95 |
INJECTOR RESISTANCE - Ohms @ 68°F (20°C)
IDLE SPEED
| Application (1) | RPM |
|---|
| 3.0L Non-Turbo (2JZ-GE) | 700 |
| 3.0L Turbo (2JZ-GTE) | 650 |
| (1) Check with transmission in Neutral, parking brake applied and all accessories off. |
| (1) | Check with transmission in Neutral, parking brake applied and all accessories off. |
IDLE SPEED SPECIFICATIONS
DASHPOT
| Application | RPM |
|---|
| 3.0L Non-Turbo (2JZ-GE) |
| A/T | 1400-2200 |
| M/T | 2200-3000 |
| 3.0L Turbo (2JZ-GTE) | 1900-2700 |
THROTTLE OPENER
| Application | (1) RPM |
|---|
| 3.0 Non-Turbo (2JZ-GE) | 1100-1900 |
| 3.0L Turbo (2JZ-GTE) | 1300-1700 |
| (1) With electric cooling fan turned off (if equipped). |
| (1) | With electric cooling fan turned off (if equipped). |
THROTTLE OPENER SPECIFICATIONS
FUEL CUT
| Application | Fuel Cut RPM | Fuel Return RPM |
|---|
| 3.0L Non-Turbo | (2) | 1400 |
| 3.0L Turbo | (2) | 1100 |
| (1) Check with A/C off. (2) Check with brake pedal depressed and brakelights on. |
| (2) | Check with brake pedal depressed and brakelights on. |
FUEL CUT SPECIFICATIONS (1)
THROTTLE POSITION SENSOR (TPS)
| Application | Clearance: In. (mm) | Terminal | Ohms |
|---|
| 3.0L (1) | 0 (0) | VTA & E2 | 340-6300 |
| " | .016 (.41) | IDL & E2 | 500 Or Less |
| " | .024 (.61) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2400-11,200 |
| " | Fully Open | VC & E2 | 3100-7200 |
| (1) Apply vacuum to throttle opener before checking TPS. |
| (1) | Apply vacuum to throttle opener before checking TPS. |
TPS RESISTANCE SPECIFICATIONS - 3.0L NON-TURBO
| Application | Clearance: In. (mm) | Terminal | Ohms |
|---|
| Main TPS (1) | 0 (0) | VTA & E2 | 340-6300 |
| " | .021 (.53) | IDL & E2 | 500 Or Less |
| " | .028 (.71) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2400-11,200 |
| " | Fully Open | VC & E2 | 3100-7200 |
| Sub-TPS | 0 (0) | VTA & E2 | 320-9100 |
| " | .016 (.41) | IDL & E2 | 500 Or Less |
| " | .019 (.48) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 100-5900 |
| " | Fully Open | VC & E2 | 3500-6500 |
| (1) Apply vacuum to throttle opener before checking TPS. |
| (1) | Apply vacuum to throttle opener before checking TPS. |
TPS RESISTANCE SPECIFICATIONS - 3.0L TURBO
