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NISSAN REVISED TPS ADJUSTMENT PROCEDURE
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1. itch a Closed ta 5 5 throttle Wide open _ g position t O4 throttle position t o4 switch 43 switch 1 a 2 gt Throttle 2 gt Throttle z position position sensor 3 sensor Figure 2 Chart 1 4 Refer to Chart 1 below and select the correct thickness feeler gauges for your vehicle FEELER B14 B14 U13 D21 GAUGE GA16 SR20 L30 D22 A 0 012 0 012 0 010 0 012 0 006 0 010 0 004 Unit in mm 0 3 0 3 0 25 0 3 0 15 0 25 0 1 0 4 6 B 0 016 0 016 0 016 0 016 0 012 0 014 0 012 Unit in mm 0 4 0 4 0 4 0 3 0 35 0 3 2 4 5 Check A Insert the thinner feeler gauge A from Chart 1 on page 2 between the throttle adjustment screw and the throttle drum stop e The CTPS should have continuity ohmmeter reads O ohms e Refer to Figure 3 below for the specific vehicle you are working on CAUTION Never adjust the throttle stop screw It is pre set at the factory w E SiR y At ZN a Throttle stop screw Never adjust Throttle st R50 aoe Me JA E S14 Feeler AN sre Feele Se L30 gauge t Never adjust U13 7 Throttle body Close lt Throttle gt never adjust SS Open Throttle lever Throttle drum A Gai cee Pa WG eee a ATI BAY X GA16 GeeS R20 E RRA TCE P AA A Throttle drum A NEE i AN x ED K To AN EA eee 2 Thr
2. ottie drum BT areoler gauge D21 D22 NS r Q Throttle st 3 LON eran TP000597 j Figure 3 6 Check B Insert the thicker feeler gauge B from Chart 1 on page 2 between the throttle adjustment screw and the throttle drum stop see Figure 3 The CTPS should NOT have continuity ohmmeter reads OL 3 4 7 lf the results of steps 5 and or 6 are not OK loosen the TPS retaining bolts and adjust the CTPS to achieve the correct results 8 Tighten the TPS retaining bolts then repeat steps 5 and 6 two or three times to check the new adjustment 9 Re connect the harness connector to the CTPS portion of the TPS Reset throttle position sensor idle position memory NOTE Failure to reset the TPS idle position memory may result in the idle speed staying higher than specification 10 Start engine and warm it to operating temperature NOTE Always warm up engine to normal operation temperature If the engine is cool the throttle position memory will not be reset correctly 11 Using CONSULT II select ENGINE DATA MONITOR Manual trigger Selections From Menu CLSD THL P SW and Enter 12 Stop engine turn ignition switch OFF 13 Turn ignition switch ON and wait at least five seconds 14 Turn ignition switch OFF and wait at least ten seconds 15 Repeat steps 13 and 14 for 1 to 16 times until CLSD THL P SW in CONSULT II changes to ON 4 4
3. ure and the fast idle cam if equipped has released Then turn the engine OFF 2 Disconnect the harness connector see Figure 1 from the closed throttle position switch CTPS portion of the throttle position sensor TPS TP000594 NOTE Throttle position Mea Z switch must be checked with the switch installed on the engine Closed throttle position switch connector example only your model may differ Figure 1 1 4 3 Connect an ohmmeter across the terminals for the closed throttle position switch CTPS e Refer to Figure 2 that applies to your model e There should be continuity across the terminals with the throttle closed NOTES e Anohmmeter is used because CONSULT II cannot display the CTPS status in all of the Applied Vehicles e This adjustment procedure must be made with the TPS installed on the engine of the vehicle e Do not touch the throttle drum when checking the CTPS signal or continuity Doing so may cause an incorrect adjustment e Nissan recommends using Kent Moore TPS Connector Tool J 45178 for easy accurate connection See NTB01 023 for more information Applied models Pathfinder R50 Frontier D22 Truck D21 Sentra B14 with SR engine AE Applied models Maxima A32 Quest V40 Altima L30 amp U13 Sentra B14 with GA engine AE 240SX S14 Wide open throttle Closed position throttle switch 6 gt position pos nE sw
4. yO NISSAN NORTH AMERICA INC NISSAN Copyright SERVICE BULLETIN Classification Reference Date EC99 005b NTB99 053b January 22 2002 NISSAN REVISED TPS ADJUSTMENT PROCEDURE This bulletin amends NTB99 053a The Service Information and Service Procedure has been revised In addition TPS Connector tool Kent Moore J 451 78 information has been included Please discard all copies of NTB99 053a APPLIED VEHICLE S 1995 1998 Maxima A32 1996 1998 Pathfinder R50 1995 1998 240SX S14 1995 1998 Sentra 200SX B14 w GA16 amp SR20 engines 1996 1997 Truck D21 1998 Frontier D22 1995 1997 Altima U13 1998 Altima L30 1996 1998 Quest V40 SERVICE INFORMATION The adjustment procedure for the throttle position sensor TPS has been revised and standardized for all the Applied Vehicles e The TPS contains a closed throttle position switch CTPS and a variable output throttle position sensor e This procedure uses the closed throttle position switch CTPS status ON or OFF instead of the throttle position sensor variable output voltage to adjust the TPS e Incorrect adjustment of the CTPS may cause one or more of the following Diagnostic Trouble Codes DTCs to be displayed P1447 P0120 P0510 P0731 P0732 P0733 P0734 P1705 SERVICE PROCEDURE 1 Check fast idle cam FIC function if equipped refer to appropriate Service Manual e When finished make sure the engine is at normal operating temperat
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