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 | 9.4:1 |
| Compression Pressure | 185 psi (13.0 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) |
| Exhaust | .012-.016 (.30-.41) |
| 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 |
| Cold (1) | .67-1.05 | 9300-16,000 |
| Hot (2) | .85-1.23 | 11,700-18,800 |
| (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). |
IGNITION COIL RESISTANCE - Ohms
DISTRIBUTOR SENSORS
| Application | In. (mm) |
| Tercel | (1) * |
| (1) Distributorless Ignition System (DIS) is used. |
| (1) | Distributorless Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL AIR GAP
| Application | (1) Pick-Up Coil Terminals | Ohms |
| Tercel | (2) | (2) * |
| (1) For proper testing and terminal identification, see the BASIC TESTING article. (2) Distributorless Ignition System (DIS) is used. |
| (1) | For proper testing and terminal identification, see the BASIC TESTING article. |
| (2) | Distributorless Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | Ohms |
| Cold (1) | 985-1600 |
| Hot (2) | 1265-1890 |
| (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). |
CAMSHAFT POSITION SENSOR RESISTANCE
| Application | Ohms |
| Cold (1) | 985-1600 |
| Hot (2) | 1265-1890 |
| (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
SPARK PLUGS
| Application | NGK No. | Nippondenso No. |
| Tercel | BKR5EKB-11 | K16TR11 |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
| Tercel | .043 (1.10) | 13 (18) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
| Application | Firing Order |
| 4-Cylinder (1) | (2) 1-4-2-3 |
| (1) No. 1 cylinder located at timing belt or timing chain end of engine. No. 4 cylinder located at flywheel end. (2) System uses Distributorless Ignition System (DIS) with 2 ign. coils. No. 1 and 4 cylinders fire simultaneously using same ign coil. No. 2 and 3 cylinders fire simultaneously using same ignition coil. |
| (1) | No. 1 cylinder located at timing belt or timing chain end of engine. No. 4 cylinder located at flywheel end. |
| (2) | System uses Distributorless Ignition System (DIS) with 2 ign. coils. No. 1 and 4 cylinders fire simultaneously using same ign coil. No. 2 and 3 cylinders fire simultaneously using same ignition coil. |
IGNITION TIMING
| Application (1) | (2) Base Timing | (3) Advance Timing |
| Tercel | 10 | 7-17 |
| (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 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 installed between terminals TE1 and E1 on data link connector No. 1. |
| (3) | With jumper wire removed from data link connector No.1. |
IGNITION TIMING (Degrees BTDC @ Idle)
FUEL PUMP
Note. Fuel pump performance measures fuel pressure, not regulated fuel pressure.
| Application | Pressure: psi (kg/cm 2 ) |
| Tercel | (1) 41-42 (2.9-3.0) |
| (1) Check fuel pressure using scan tester to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| (1) | Check fuel pressure using scan tester to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| Application | At Idle W/Vacuum | At Idle W/O Vacuum |
| Tercel | 33-37 (2.3-2.6) | 41-42 (2.9-3.0) |
| Application | Ohms |
| Tercel | .2-3.0 |
FUEL PUMP RESISTANCE - Ohms @ 68°F (20°C)
FUEL INJECTOR RESISTANCE
| Application | Ohms |
| Tercel | 13.4-14.2 |
FUEL INJECTOR RESISTANCE - Ohms @ 68°F (20°C)
IDLE SPEED
| Application (1) | RPM |
| Tercel | 700-800 |
| (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
FUEL CUT
| Applicatio | Fuel Cut RPM | Fuel Return RPM |
| Tercel | (2) | 900 |
| (1) Check with engine at normal operating temp. and A/C off. (2) Fuel cut specification not available at time of publication. |
| (1) | Check with engine at normal operating temp. and A/C off. |
| (2) | Fuel cut specification not available at time of publication. |
FUEL CUT SPECIFICATIONS (1)
THROTTLE POSITION SENSOR (TPS)
| Application | Clearance: In. (mm) | Terminal | Ohms |
| 1.5L | 0 (0) | VTA & E2 | 200-5700 |
| " | .020 (.51) | IDL & E2 | 2300 Or Less |
| " | .028 (.71) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2000-10,200 |
| " | " | VC & E2 | 2500-5900 |
| (1) On A/T models, disconnect throttle cable from linkage before checking TPS. |
| (1) | On A/T models, disconnect throttle cable from linkage before checking TPS. |
TPS RESISTANCE SPECIFICATIONS (1)