0001333: idle speed too high and loud

ID	Project	Category	View Status	Date Submitted	Last Update

0001333	vehicle service	Toyota SERA	public	2020-09-15 13:04	2024-08-23 10:09

Reporter	DigitalMy
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	assigned	Resolution	open

Summary	0001333: idle speed too high and loud
Description	checked MAP vacuum line disconnect - it makes idle slow down
Steps To Reproduce	Possible checks according to manual: 1) Cold start system injector - Leaking Air induction system 2) Throttle body - Won't close fully 3) ISC valve - Stays open continuously 4) Air valve - Stays open continuously Electronic control system 5) Manifold pressure sensor (vacuum sensor) - Voltage or resistance are incorrect 6) Water temp . sensor - Voltage or resistance are incorrect 7) Throttle position sensor - Idle contact won't go on 8) Air conditioner switch - Stays on continuously
Tags	No tags attached.

DigitalMy 2020-09-15 13:04 administrator	toyota_inspection_and_adjustment_sensor.pdf (318,516 bytes)

DigitalMy 2020-09-18 23:14 administrator ~0003972	Problem found in throttle cable bolt - it was adjusted that way sensor cannot reach zero IDL contact was never closed (always open) Adjusted bolt - now idle is 800 RPM and IDL contact closed throttle_cable_regulator_bolt_5E-FHE.jpg (229,098 bytes) throttle_cable_regulator_bolt_5E-FHE.jpg (229,098 bytes)

DigitalMy 2020-09-26 18:47 administrator ~0003981 Last edited: 2024-08-23 10:09 View 5 revisions	89452-12060 Toyota TPS made by Denso 179950-0361 installed before in Sera it has 3 pin connector (metal frame mount is not GND): P01 (yellow-red) = IDL -> locks to central pin in closed throttle (idle) -> directly to ECU P02 (brown) = GND -> central pin, not closed in normal running mode (1000rpm-5000rpm approx.) P03 (yellow-green) = PSW -> locks to central pin in fully open throttle (maximum acceleration) -> directly to ECU Connector on wiring harness /90980-11261 89452-12060_throttle_sensor.jpg (71,957 bytes) 89452-12060_throttle_sensor.jpg (71,957 bytes)