how to set tps on isuzu bighorn
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Filed Under (Isuzu) by admin on 23-12-2010
Some customers may comment on harsh shifting and/or delayed upshifts that may or may not be accompanied by a CHECK TRANS lamp illumination. Correction Perform the TPS relearn procedure below. Important: The TCM relearn procedure MUST be done after replacement or adjustment of the following components: • The injection pump • The engine assembly • The accelerator pedal • The accelerator cable • The throttle position sensor (TPS) • The kick-down switch • The TCM • The transmission Failure to do this may result in a hard shift, delayed shift, slippage or excessive automatic transmission clutch material wear conditions. The TPS relearn procedure should also be done when the following conditions occur: • Harsh shifting • Delayed upshifts • Take-off in fail-safe mode (2nd gear) • Flashing Check Trans light (no stored codes) TPS Relearn Procedure If there is a change in the relationship between the TPS and the injection pump rack voltage, there will be a noticeable change in the shift pattern of the transmission. The TPS relearn is needed to provide the TCM with a correlation value between the TPS sensor and the injection pump rack position. It is this learned value that the TCM uses to produce the shift pattern for the transmission based on the TPS input during vehicle operation.
Filed Under (Jeep) by admin on 20-04-2010
SYMPTOM/CONDITION: Some customers may complain of MIL illumination. No other symptoms will be noted or experienced. Further investigation by the technician may find DTC P0339 – Position Sensor Intermittent is set. It is possible that DTC’s P0300 – Multiple Cylinder Misfire and/or P1128 – Closed Loop Fueling Not Achieved – Bank 1 and/or P1129 – Closed Loop Fueling Not Achieved – Bank 2 could be set along with P0339 – Crankshaft Position Sensor Intermittent is set. NOTE: P0339 – Crankshaft Position Sensor Intermittent must be set along with the other DTC’s. If P0339 – Crankshaft Position Sensor Intermittent is not set then this bulletin does not apply. DIAGNOSIS: Using a Scan Tool (StarSCAN?) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC’s other than P0339 with or without P0300, P1128, P1129 are present then record them on the repair order and repair other DTC’s first as necessary before proceeding further with this bulletin.
Filed Under (Hyundai) by admin on 30-09-2010
If a 2001-02 Elantra or 2000-02 Accent is experiencing the following symptoms: ^ Unstable idle ^ Uneven throttle response ^ Slip and shock during the 1-2 and 2-3 shift on Automatic Transaxle (ATM) equipped vehicles ^ Erratic ATM shifts with possible shift flare (engine RPM increase during shifts) ^ Check engine light is ON (may go off but the code will remain stored) ^ TPS related code stored in the ECM and/or TCM REPAIR INFORMATION: 1) TEST # 1: If a faulty TPS is suspected and the ECM/TCM has no codes stored, conduct the following test for high idle: ^ Have the vehicle idling (with all accessories turned off), transmission in park (ATM) or neutral (MTM), and the hand brake fully applied. ^ Using the Hi-Scan Pro’s flight recording menu, observe and record the TPS, Idle Switch Position and engine RPM. ^ Slowly operate the throttle cam to increase the engine speed to about 2500 rpm (use the Hi-Scan Pro to observe the engine speed). ^ Slowly release the throttle cam back to the idle position. Observe the TPS and engine RPM readings on the Hi-Scan Pro. ^ Repeat the above process 10 times.
Filed Under (Hyundai) by admin on 13-03-2011
PROCEDURE: A). When diagnosing a vehicle with an inoperative XM Set Top Box, check for water intrusion into the set top box. If no water damage is noted proceed with normal diagnostics. If water damage is noted then proceed to Step B. B). 1. Remove Set Top Box a. Gain access to trunk and remove trunk pad/carpet b. Remove 2 mounting screws attaching set top box to the body c. Disconnect box from harness 2. Visually inspect body for signs of water intrusion. Without Sunroof or AMP With Sunroof and AMP 3. Note that water may enter at body seams, screw holes, body plugs, or weld joints. 4. Reseal all joints and any other suspect water entry point with appropriate body sealer sealant.
Filed Under (Jaguar) by admin on 23-08-2010
Code 13 36CU DTC FF13 PCMF MAP SENSOR SIGNAL This DTC looks for a fluctuating vacuum signal during starting and monitors vacuum ‘V’ throttle position when the engine is running. Code 14 36CU DTC FF14 ENGINE COOLANT TEMPERATURE SENSOR (ECTS) CIRCUIT This DTC looks for the ETCS signal voltage out of range or static during engine warm-up. Code 16 36CU DTC FF16 INTAKE AIR TEMPERATURE SENSOR (IATS) CIRCUIT This DTC looks for the IATS out of range. Code 17 3GCU DTC FF17 THROTTLE POSITION SENSOR (TPS) CIRCUIT This DTC looks for the TPS signal voltage out of range. Code 18 36CU DTC FF18 AND FF19 THROTTLE POSITION SENSOR (TPS) CALIBRATION DTC FF18. This DTC looks for low TPS signal voltage at high load (MAP). DTC FF19. This DTC looks for high TPS signal voltage at low load (MAP). 36CU DTC FF18 AND FF19 THROTTLE POSITION SENSOR (TPS) CALIBRATION DTC FF18. This DTC looks for low TPS signal voltage at high load (MAP). DTC FF19. This DTC looks for high TPS signal voltage at low load (MAP).