2002 Suburban Ride Control Module
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2002 Suburban Ride Control Module Direct Download speed 5787 Kb/s
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Filed Under (Citroen) by admin on 09-06-2010
Heater blower speed resistor Inertia fuel shut off switch Inertia fuel shut off switch – Diesel Interior lamp delay relay Outside air temperature sensor Seat adjustment relay, driver’s side Seat adjustment relay, passenger’s side Steering position sensor Sunroof motor Suspension adjustment valve block, rear Suspension control module Suspension G-force sensor Suspension ride height sensor, front Suspension ride height sensor, rear Vehicle speed sensor Air conditioning air temperature control module (-1994MY) Air conditioning condenser blower motor control module Air conditioning control module Air conditioning control module (1995MY-) Air conditioning refrigerant pressure switch Airbag control module (in steering wheel) Alarm system control module Central locking control module Central locking signal control module Coded keypad Compact disc interface Cruise control actuator valve Cruise control module Cruise control vacuum pump Diagnostic link Door mirror adjustment control module Electric windows control module, right front Engine control module relay 1 Engine control module relay 2 Engine coolant blower motor relay 1
Filed Under (volkswagen) by admin on 02-10-2010
During “adaptation” with ignition switched on and the engine not running, the Motronic ECM “learns” the closed throttle position (CTP), wide open throttle (WOT) and other positions of the throttle valve control module, and a characteristic curve of the relationship between Throttle Position (TP) sensor -G69- and angle sensor for throttle drive -G187-. Adaptation must be performed if: – The voltage supply is interrupted – The throttle valve control module is removed and installed – The throttle valve control module is replaced – If when installing another engine another throttle valve control module is installed Special tools and equipment VAG1551 or VAG1552 Scan Tool (ST) with VAG1551/3 adapter cable Test conditions – No malfunctions stored in DTC memory. – Battery voltage: min. 11.5 volts – All electrical consumers switched off (radiator coolant fan must not run during test) – A/C switched off – Throttle valve in closed throttle position; if necessary adjust accelerator pedal cable – Cruise control adjustment OK Work sequence – Connect VAG1551 or VAG1552 scan tool and press buttons -0- and -1- to insert “Engine Electronics” address word 01 (with ignition switched on; engine not running). Indicated on display
Filed Under (Chevrolet) by admin on 18-06-2010
DESCRIPTION Cruise control system components include cruise control module (control module and electric stepper motor servo combined), cruise control switch, vehicle speed sensor, and brake and clutch release switches. A vehicle speed sensor buffer is used on 1991 Motorhome and 1992 vehicles. CRUISE CONTROL MODULE Cruise control module is mounted on upper radiator support, to left of radiator (Motorhome), or next to master cylinder (all others). See Fig. 1 . Module incorporates an electronic control module and an electric stepper motor servo. Servo regulates throttle position in response to control module commands. Module is not serviceable.
Filed Under (Chevrolet) by admin on 20-10-2010
Actuator Recalibration When replacing the HVAC control module it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC control module be sure to perform the following: Important: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result. 1. 2. 3. 4. 5. 6. 7. Place the ignition switch to the OFF position. Disconnect the scan tool. Install the HVAC control module. Connect all previously disconnected components. Start the vehicle. Wait 40 seconds for the HVAC control module to self-calibrate. Verify that no DTCs have set as current DTCs. When replacing the HVAC actuator it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC actuator be sure to perform one of the following: Important: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result. Preferred Method (w/ Scan Tool) Clear all DTCs. Place the ignition switch in the OFF position. Install the HVAC actuator. Connect all previously disconnected components. Start the vehicle. With the scan tool, initiate the Motor Re-calibration feature of the Heating and Air Conditioning Special Functions menu. 7. Verify that no DTCs have set as current DTCs. Important: Do not adjust any controls on the HVAC control module while the HVAC control module is self- calibrating. If interrupted, improper HVAC performance will result. 1. 2. 3. 4. 5. 6. Alternate Method (w/o Scan Tool)
Filed Under (Ford) by admin on 28-03-2011
Inspection and Verification 1. Verify the customer’s concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the following mechanical or electrical concerns apply: Visual Inspection Chart Loose, missing or damaged A/C compressor drive belt. Loose or disconnected A/C clutch. Loose, misrouted or damaged vacuum lines. Broken or leaking vacuum control motora Discharged A/C system. Broken or leaking refrigerant lines. a a A leak in the vacuum control circuit may occur during acceleration (slow leak), may exist at all times (large leak), and may exist only when specific functions are selected (indicating a leak in that portion of the circuit). The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel®. Because of the materials used, never pinch the vacuum hoses off during diagnosis to locate a leak. A wood golf tee can be used as a plug when it is necessary to plug one end of the vacuum hose for leak test purposes. 3. If the inspection reveals obvious concern(s) that can be readily identified, service as required. 4. If equipped with the electronic automatic temperature control system, go to Step 6. 5. If equipped with a manual A/C system, determine the symptom and go to the Symptom Chart. 6. If the concern remains after the inspection, connect the Rotunda New Generation Star (NGS) Tester to the data link connector (DLC) located beneath the instrument panel to carry out the DATA LINK DIAGNOSTICS test. If the NGS responds with NO RESPONSE/NOT EQUIPPED for the electronic automatic temperature control module, GO to Pinpoint Test A. If the DATA LINK DIAGNOSTICS test is passed for the electronic automatic temperature control module, retrieve the continuous DTCs and execute the Self-Test Diagnostics for the electronic automatic temperature control module to retrieve the current DTCs. Mechanical Electrical Open fuses. Blower motor inoperative. A/C compressor inoperative. Circuitry open/shorted. Disconnected electrical connectors. 7. If the self-test is passed and no DTCs are retrieved, go to the Symptom Chart to continue diagnostics. 8. If DTCs are retrieved, go to the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. 9. If the electronic automatic temperature control module cannot be accessed by the NGS, GO to Pinpoint Test A. Electronic Automatic Temperature Control Module Self-Test The EATC module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A NGS tester must be used to retrieve these concerns. The EATC module self-test will detect concerns in the system control functions and will display hard diagnostic trouble codes (DTCs) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4-32° (40-90°F) when performing the self-test. If the temperatures are C not within the specified ranges, false in-car temperature sensor DTCs will be displayed. The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated. To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed. If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given. If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation. To exit self-test and retain all intermittent DTCs, push the blue (cooler temperature) button. The control will exit self-test, retain all intermittent DTCs and then turn OFF (display blank). To exit self-test and clear all DTCs, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared. Always exit the self-test before powering the system down (system turned OFF). Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.