System Description The idle speed of the engine is controlled by the Idle Air Control (IAC) valve. The valve changes the amount of air bypassing into the intake manifold in response to electric current controlled by the ECM. When the IAC valve is activated, the valve opens to maintain the proper idle speed. (cont’d) IDLE […]
Troubleshooting NOTE: The numbers in the table show the troubleshooting sequence. NSX-T (open top) Main Menu Table of Contents Troubleshooting NOTE: The numbers in the table show the troubleshooting sequence. Item to be inspected ≌≣≣ u. Î En ∈ ≻ gs ⋉ g :2 ≣ 2 g w E! v; ≻ fi ⋅⋮ ⋮ a […]
Power Door Locks Control Unit Input Test Remove the glove box, then disconnect the 18-P con- nector from the control unit. Make the following input tests at the connector terminals. NOTE: Recheck the connections between the 18-P connector and the control unit, then replace the control unit if all input tests prove OK. POWER DOOR […]
Special Tools Ref. No. Tool Number Description Qty Page Reference 07LAJ-PT3010A Test Harness 1 22-49, 50 Main Menu Table of Contents Special Tools Ref. No. Tool Number Description Qty Page Reference O7 LAJ-PT3010A Test Harness 22-49 Ш _— 22-2 Attachments nsxd22002a (42 kB)
Three Way Catalytic Converter (TWC) Description The Three Way Catalytic Converter (TWC) is used to convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas, to carbon dioxide (CO2), dinitrogen (N2) and water vapor. HOUSING THREE WAY CATALYST FRONT OF VEHICLE (cont’d) Attachments nsxd11143a (167 kB)
Idle Control System Troubleshooting Flowchart Starter Switch Signal This signals the PGM-FI ECU when the engine is cranking. Inspection of Starter Switch Signal. BATTERY VOLTAGE? C 11 A26 NOTE: Clutch pedal must be depress- ed on M/T models. Connect the ECU test harness between the ECU and connector (page 11-21). Measure voltage between C11 (+) […]
Bearing Replacement NOTE: • The bearing and outer race should be replaced as a set. • Inspect and adjust the bearing preload whenever the bearing is replaced. 1. Remove the tapered roller bearings using the bear- ing pullers. BEARING PULLER (Commercially available) TAPERED ROLLER BEARING BEARING PULLER (Commercially available) TAPERED ROLLER BEARING 2. Install the […]
Heater Core Temperature Sensor Removal Disconnect the connector, remove the clamp and the heater core temperature sensor. CLAMP HEATER CORE TEMPERATURE SENSOR Compare the resistance reading between the terminals of the heater core temperature sensor with specifica- tions shown in the following graph: It should be within specification. NOTE: Dip the sensor in ice water, […]
Cancel Unit Input Test 1. Remove the steering column covers. Disconnect the 10-P connector from the turn signal cancel unit. 2. Inspect the connector terminals to be sure they are all making good contact. • If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. • If the terminals […]
Lift and Support Points (cont’d) Floor Jack CAUTION: Place a rubber pad between the lift platform and the center support point to avoid damaging the car. The lift platform must contact the support point only; it must not come in contact with any other part of the car. 1. Set the parking brake, and block […]