S3/TCCS System (EFI, ESA, ISC), page 3

3 TCCS TCCS SYSTEM <EFI, ISC(IDLE SPEED CONTROL)

EFI MAIN RELAY
CLOSED WITH IGNITION S/W AT IG OR ST POSITION
⓪ CIRCUIT OPENING RELAY
1-2: CLOSED WITH STARTER RUNNING OR MEASURING PLATE
    LAIA FLOW METER : OPEN
⓪ ⓪ EFI RESISTOR
1-2,1-3: EACH 2/1
② INJECTOR
1-2: EACH 1.5-3.0Ω
ISC VALVE
⓪ 1- ⓪ 1. ⓪ 3: EACH 10-30Ω
⓪ 2- ⓪ 2. ⓪ 4: EACH 10-30Ω
⑪ THROTTLE POSITION SENSOR
2-4: 0.2-0.8KΩ WITH CLEARANCE BETWEEN
    LEVER AND STOP SCREW 0MM (0.IN.)
3-4: LESS THAN 2.3KΩ WITH CLEARANCE BETWEEN
    LEVER AND STOP SCREW 0.35 MM (0.0138 IN.)
    ∞ Ω WITH 0.58 MM (0.0232 IN.)
2-4: 3.3-10KΩ WITH THROTTLE VALVE FULLY OPEN
1-4: 3-7 KΩ
⑤ AIR FLOW METER
1-2: CLOSED WITH STARTER RUNNING OR MEASURING PLATE OPEN
5-8: 20-400Ω (-20°C,-4°F)
5-4: 200-400Ω
5-7: 10-20KΩ (-20°C,-4°F)
    4-7KΩ (0 C,32°F)
    2-3KΩ (20°C,68°F)
    0.8-1.3KΩ (40°C,104°F)
    0.4-0.7KΩ (80°C,140°F)
⑪ WATER THERMO SENSOR
1-2: APPROX. 8KΩ (0°C, 32°F)
     APPROX. 1.5KΩ (40°C, 104°F)
     APPROX. 0.5KΩ (80°C,176°F)

ECU (ELECTRONIC CONTROL UNIT)
VOLTAGE AT ECU CONNECTORS
⓪ 2- ⓪ 7:    10-14 VOLTS
⑬ 13, ⑬ 14- ⑬ 7: 10-14 VOLTS
⓪ 1- ⓪ 7:    10-14 VOLTS (IGNITION S/W ON)
⓪ 8- ⓪ 7:    10-14 VOLTS (IGNITION S/W ON)
⑪ 13- ⓪ 7:    3-5 VOLTS (IGNITION S/W ON, THROTTLE
              VALVE OPEN)
⑪ 14- ⓪ 7:    4-5 VOLTS (IGNITION S/W ON, THROTTLE
              VALVE CLOSED)
⑬ 3- ⑬ 24, ⑪ 10: 4-8 VOLTS (IGNITION S/W ON)
⑬ 4- ⑬ 24, ⑪ 10: 4-5 VOLTS (IGNITION S/W ON,MEASURING
              PLATE FULLY CLOSED)
              0.02-0.08 VOLTS (IGNITION S/W ON,
              MEASURING PLATE FULLY OPEN)
              2.0-4.0 VOLTS (IDLING)
              0.3-1.0 VOLTS (3000 RPM)
⑬ 5- ⑬ 24, ⑪ 10: 1.0-2.0 VOLTS (IGNITION S/W ON,INTAKE
              AIR TEMP. 20°C (68°F)
⓪ 1- ⓪ 7:    0.1-0.5 VOLTS (IGNITION S/W ON,COOLANT
              TEMP. 80°C (176°F)
⓪ 3- ⓪ 7:    8-12 VOLTS (IGNITION S/W ST POSITION)
⓪ 4, ⓪ 8- ⓪ 7: 8-12 VOLTS (IGNITION S/W ON)
⓪ 8- ⓪ 7:    0.7-1.0 VOLTS (IDLING)
⑪ 9, ⑪ 17- ⓪ 7: 8-14 VOLTS (IGNITION S/W ON)
              8-14 VOLTS (2-3 SECONDS AFTER
              ENGINE OFF)
⑬ 13- ⓪ 2:    10-15VOLTSWITH IGNITION S/W ON
              0VOLT WITH ENGINE START AND
              WARM-UP O2 SENSOR
⓪ 1- ⓪ 7:    0VOLT WITH IGNITION S/W ON,
              SHIFT POSITION P OR N RANGE
              10-14 VOLTS WITH IGNITION S/W ON,
              SHIFT POSITION EXCEPT P OR N RANGE
              O VOLT WITH IGNITION S/W ON,
              CLUTCH PEDAL NOT DEPRESSED
              10-14 VOLTS WITH IGNITION S/W ON,
              CLUCH PEDAL DEPRESSED
              9-11 VOLTS WITH CRANKING
⑪ 15- ⓪ 7:    4-8 VOLTS WITH IGNITION S/W ON
              CHECK ENGINE CONNECTOR NOT SHORT
              O VOLT WITH IGNITION S/W ON,
              CHECK ENGINE CONNECTOR SHORT

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