ENGINE CONTROL (FOR 2JZ–GTE) SERVICE HINTS EFI MAIN RELAY (2) 3– (2) 5 : CLOSED WITH IGNITION SW AT ON POSITION EFI NO. 2 RELAY (2) 3– (2) 5 : CLOSED WITH IGNITION SW AT ON POSITION E 3 ENGINE COOLANT TEMP. SENSOR (EFI WATER TEMP. SENSOR) 1– 2: 10–20 KΩ (–20˚C, –4˚F) 4– 7 KΩ ( 0˚C, 32˚F) 2– 3 KΩ (20˚C, 68˚F) 0.9–1.3 KΩ (40˚C, 104˚F) 0.4–0.7 KΩ (60˚C, 140˚F) 0.2–0.4 KΩ (80˚C, 176˚F) I 1 IDLE AIR CONTROL VALVE (ISC VALVE) 1, 3– 2: APPROX. 10–30 Ω 4, 6– 5: APPROX. 10–30 Ω I12, I13, I14, I15, I16, I17 INJECTOR 1– 2: APPROX. 13–8 Ω T 2 THROTTLE POSITION SENSOR 1– 4: APPROX. 4–9 KΩ 1– 3: 3.3– 10.0 KΩ WITH THROTTLE VALVE FULLY OPENED POSITION 0.2– 0.8 KΩ WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0 MM (0 IN.) 1– 2: 0–2.3 KΩ WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0.45 MM (0.0177 IN.) INFINITY WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0.55 MM (0.0216 IN.) E 9(B), E10(A) ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) (VOLTAGE AT ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) WIRING CONNECTORS) BATT–E1 : ALWAYS 9–14 VOLTS IGSW–E1 : 9–14 VOLTS WITH IGNITION SW ON M–REL–E1 : 9–14 VOLTS WITH IGNITION SW ON +B–E1 : 9–14 VOLTS WITH IGNITION SW ON IDL1–E2 : 9–14 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY OPEN : 0–1.5 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY CLOSED VTA1–E2 : 0.3– 0.8 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY CLOSED : 3.2–4.9 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE OPEN #10, #20, #30–E01, E02 : PULSE GENERATION (ENGINE IDLING) #40, #50, #60–E01, E02 : PULSE GENERATION (ENGINE IDLING) THA–E2 : 0.5–3.4 VOLTS WITH IGNITION SW ON AND INTAKE AIR TEMP. 20˚C (68˚F) THW–E2 : 0.2–1.0 VOLTS WITH IGNITION SW ON AND COOLANT TEMP. 80˚C (176˚F) STA–E1 : 6–14 VOLTS WITH ENGINE CRANKING ISC1, ISC2, ISC3, ISC4–E1 : PULSE GENERATION (ENGINE IDLING) W–E1 : 9–14 VOLTS WITH ENGINE IDLING IGF–E1 : PULSE GENERATION (ENGINE IDLING) NSW–E1 : 0–3 VOLTS WITH IGNITION SW ON AND SHIFT LEVER P OR N POSITION : 9–14 VOLTS WITH IGNITION SW ON AND SHIFT LEVER EXCEPT P OR N POSITION SP1 : PULSE GENERATION TE1, TE2–E1 : 9–14 VOLTS WITH IGNITION SW ON A/C–E1 : 0–1.5 VOLTS WITH IGNITION SW ON AND A/C OFF : 7.5–14 VOLTS WITH IGNITION SW ON AND A/C ON ELS–E1 : 9–14 VOLTS WITH TAILLIGHT ON, DEFOGGER ON : 0–1.5 VOLTS WITH TAILLIGHT OFF, DEFOGGER OFF STP–E1 : 7.5–14 VOLTS WITH STOP LIGHT SW ON (BRAKE PEDAL DEPRESSED) : 0–1.5 VOLTS WITH STOP LIGHT SW OFF (RESISTANCE OF ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) WIRING CONNECTORS) IDL1–E2 : INFINITY WITH THROTTLE VALVE OPEN : 0–2.3 KΩ WITH THROTTLE VALVE FULLY CLOSED VTA1–E2 : 3.3 KΩ –10.0 KΩ WITH THROTTLE VALVE FULLY OPEN : 200 Ω –800 Ω WITH THROTTLE VALVE FULLY CLOSED VCC–E2 : 4 KΩ –9 KΩ THA–E2 : 2 KΩ –3 KΩ WITH INTAKE AIR TEMP. 20˚C (68˚F) THW–E2 : 200 Ω–400 Ω WITH COOLANT TEMP. 80˚C (176˚F) ISC1, ISC2, ISC3, ISC4– +B : 10–30 Ω #10, #20, #30, #40, #50, #60– +B : 13.2 –14.2 Ω 78