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Volvo Manuals
Automobile
240 1989
Service manual
Volvo 240 1989 Service Manual
Engine type b 230 f with lh-jetronic 2.4 fuel system
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Table of Contents
Specifications
Special Tools
Design and Function
Characteristics of LH2.4 Fuel System
Control Unit
Seof-Adjusting Functions
Self-Adjusting Idle Speed Regulation
Self-Adjusting Lambda-Song
The Control Unit Microprocessor
Emergency Program
The Control Unit Microprocessor Receives
Air Mass Meter
Coolant Temperature Sensor
Control Unit
Throttle Switch
Lambda-Sond
Sensors
Catalytic Converter
Distribution Pipe
Fuel Pressure Regulator
Tank Pump (Pre-Pump)
Cold Start Valve
Fuel Pump
Injectors
Fuel Filter
Idle Valve
Evaporative Control System (EVAP)
Reservoir (Carbon Filter)
EVAP Valve
System Relay, Fuses
Fuel System Diagnostics
Fault Tracing - Repairs - Maintenance
Fuel System Components
Fuel System - Fault Tracing
Control Functions
Fault Code Key
Erasing Diagnostic System Memory
Start and Run Engine
Check if New Fault Codes Have Been Stored in the Memory
Check the Rpm Signal from the Ignition System
Check the On/Off Function of the Compressor
Complete Overview of the Fuel System
Fuses, Ground Connections and Connectors
Air Leaks and Throttle Shutter
Check Throttle Switch Setting
Check/Adjust Control Pulley and Throttle Cable
Connect and Check/Adjust Linkarm
Fuel Pump, Pressure Regulator and Fuel Lines (System Pressure)
Connect Pressure Gauge
Start Fuel Pumps
If Fuel Pumps Don't Start
Too High System Pressure
Too Low System Pressure
Remove Pressure Meter
Turn off Fuel Pumps
Check Function of Pressure Regulator
Components, Electrical Cables
Remove Control Unit Connector
Remove Connector Protective Sleeve
Check Diagnostic Socket
Check Ignition Lock Voltage
Check Ground Connections
Check Lambda-Sond Screening Lead
Check Rpm Sensor Lead from Ignition System Control Unit
Check Throttle Switch
Check Air Mass Meter
Check System Relay Primary Relay
Check System Relay Pump Relay
Check Coolant Temperature Sensor
Check Lead to AC Compressor
Check Lead from AC Control Unit
Check Injectors
If the Measured Resistance Is Wrong
Check Cold Start Valve
Check Knock Enrichment Signal from Ignition System
Check Idle Valve
Check Lambda-Sond Current Feed and Pre-Heating Resistance
Check Speedometer Signal
Automatic Transmission: Check Gear Selector Signal
Final Check of Control Unit
Connect CO Meter
Check Lambda-Sond
Check Burn-Off Cleaning Oil Air Mass Meter Hot Wire
Check CO Content
Quick Check of Injectors
Injectors, Fuel Distribution Pipe, Pressure Regulator, Remove/Install
System Diagram
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Table of Contents
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Specifications
3
Diagnostic System
4
System Diagram
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Service Manual
Fault tracing
Design
Repairs
Function
Maintenance
TP 31361/1; 12.88
Section 2 (2 3)
lH-Jetron
ic 2.4
fuel
sy
stem
Engine B 230 F
240 1989-19 ..
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Summary of Contents for Volvo 240 1989
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