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 | 9.5:1 |
| Compression Pressure | 191 psi (13.4 kg/cm 2 ) |
| Minimum Compression Pressure | 142 psi (10.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | (1) In. (mm) |
|---|
| Intake | .006-.010 (.15-.25) |
| Exhaust | .010-.014 (.25-.35) |
| (1) Adjust valve clearance with engine cold. |
| (1) | Adjust valve clearance with engine cold. |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Cold (1) | .36-.55 | 9000-15,400 |
| Hot (2) | .45-.65 | 11,400-18,100 |
| (1) Cold is with temperature of 14-122°F (-10-50°C). (2) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | Cold is with temperature of 14-122°F (-10-50°C). |
| (2) | Hot is with temperature of 122-212°F (50-100°C). |
DISTRIBUTOR SENSORS
| Application | In. (mm) |
|---|
| Corolla | .008-.016 (.20-.40) |
| (1) Distributor Less Ignition System (DIS) is used. |
| (1) | Distributor Less Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL AIR GAP (1)
| Application | (1) Pick-Up Coil Terminals | Ohms |
|---|
| Cold (2) | G+ & G | 185-275 |
| Hot (3) | G+ & G | 240-325 |
| (1) For proper testing and terminal identification, see the BASIC TESTING article. (2) Cold is with temperature of 14-122°F (-10-50°C). (3) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | For proper testing and terminal identification, see the BASIC TESTING article. |
| (2) | Cold is with temperature of 14-122°F (-10-50°C). |
| (3) | Hot is with temperature of 122-212°F (50-100°C). |
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | Ohms |
|---|
| Cold (1) | 1630-2740 |
| Hot (2) | 2065-3225 |
| (1) Cold is with temperature of 14-122°F (-10-50°C). (2) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | Cold is with temperature of 14-122°F (-10-50°C). |
| (2) | Hot is with temperature of 122-212°F (50-100°C). |
CRANKSHAFT POSITION SENSOR RESISTANCE
HIGH TENSION WIRE RESISTANCE
| Application | Maximum Ohms |
|---|
| Corolla | 25,000 Per Wire |
| (1) Distributorless Ignition System (DIS) is used. No high tension wires are used. |
| (1) | Distributorless Ignition System (DIS) is used. No high tension wires are used. |
HIGH TENSION WIRE RESISTANCE (1)
SPARK PLUGS
| Application | NGK No. | Nippondenso No. |
|---|
| Corolla | BKR5EYA | K16R-U |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|
| Corolla | .031 (.80) | 13 (18) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
| Application | Firing Order |
|---|
| 4-Cylinder (1) | 1-3-4-2 |
| (1) Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 4 is located at flywheel end of engine. |
| (1) | Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 4 is located at flywheel end of engine. |
IGNITION TIMING
| Application | (2) Base Timing | (3) ECM Controlled Timing |
|---|
| 1.6L (4A-FE) | 10 | 5-15 |
| (1) Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, electric cooling fan off (if equipped) and A/C and all accessories off. (2) With Jumper Wire (SST 09843-18020) installed between terminals TE1 and E1 on data link connector No. 1. (3) With jumper wire removed from data link connector No. 1. |
| (1) | Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, electric cooling fan off (if equipped) and A/C and all accessories off. |
| (2) | With Jumper Wire (SST 09843-18020) installed between terminals TE1 and E1 on data link connector No. 1. |
| (3) | With jumper wire removed from data link connector No. 1. |
FUEL PUMP
Note. Fuel pump performance measures fuel pressure, not regulated fuel pressure.
| Application | Pressure - psi (kg/cm 2 ) |
|---|
| Corolla | (1) 38-44 (2.7-3.1) |
| (1) Check fuel pressure with engine off and using scan tester connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| (1) | Check fuel pressure with engine off and using scan tester connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| Application | Specification |
|---|
| At Idle With Vacuum | 31-37 psi (2.2-2.6 kg/cm 2 ) |
| At Idle Without Vacuum | 38-44 psi (2.7-3.1 kg/cm 2 ) |
| Application | Ohms |
|---|
| Corolla | .2-3.0 |
FUEL INJECTOR RESISTANCE
| Application | Ohms |
|---|
| Corolla | 13.4-14.2 |
IDLE SPEED
| Application | RPM |
|---|
| Corolla | 650-750 |
| (1) Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, ignition timing properly set, electric cooling fan off (if equipped) and A/C and all accessories off. |
| (1) | Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, ignition timing properly set, electric cooling fan off (if equipped) and A/C and all accessories off. |
IDLE SPEED SPECIFICATIONS (1)
THROTTLE OPENER
| Application | RPM |
|---|
| Corolla | 1300-1500 |
| (1) Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
| (1) | Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
THROTTLE OPENER SPECIFICATIONS (1)
FUEL CUT
| Application | Fuel Return - RPM |
|---|
| Corolla | 1400 |
| (1) Check with engine at normal operating temperature and A/C off. |
| (1) | Check with engine at normal operating temperature and A/C off. |
FUEL CUT SPECIFICATIONS (1)
THROTTLE POSITION (TP) SENSOR
| Application | Clearance: In. (mm) | Terminals | Ohms |
|---|
| 1.6L (4A-FE) (1) | 0 (0) | VTA & E2 | 200-5700 |
| " | .016 (.40) | IDL & E2 | 2300 Or Less |
| " | .035 (.90) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2000-10,200 |
| " | " | VC & E2 | 2500-5900 |
| (1) On models with throttle opener, apply vacuum to throttle opener before checking TP sensor. |
| (1) | On models with throttle opener, apply vacuum to throttle opener before checking TP sensor. |
THROTTLE POSITION SENSOR RESISTANCE SPECIFICATIONS
