Body Control Module (Bcm) - Suzuki XL7 2007 Service Manual

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Owner's manual (274 pages)

Table of Contents

1I-8 Starting System:

Diagnostic Starting Point - Engine Electrical

Begin the system diagnosis with "Diagnostic System Check - Vehicle Diagnostic Information: ". The Diagnostic System

Check - Vehicle will provide the following information:

• The identification of the control modules which command the system

• The ability of the control modules to communicate through the serial data circuit

• The identification of any stored diagnostic trouble codes (DTCs) and their status

The use of the Diagnostic System Check - Vehicle will identify the correct procedure for diagnosing the system and

where the procedure is located.

Scan Tool Output Controls - Engine Electrical

Scan Tool Output

Engine Output Controls

Engine Output Controls Starter Relay Control

Scan Tool Data List - Engine Electrical

Body Control Module (BCM)

Scan Tool Parameter

Battery Low at Start

Batt. Open Ckt. Tested

Batt. Open Ckt. Voltage

Battery Voltage

Batt. Voltage High Res.

Parasitic Current

Prev. State of Charge

Start Up State of Charge

State of Charge

State of Charge Low

Diagnostic Information and Procedures

Additional Menu

Selection(s)

The engine control module (ECM) commands the generator OFF

by removing the 5-volt reference signal from the L-terminal of the

GEN L-Terminal

voltage regulator when you select OFF. The generator will then stop

generating an output voltage.

The ECM supplies 12 volts to the starter relay control circuit when

ON is selected. When OFF is selected, 12 volts is removed from the

control circuit

Ignition ON/Engine Running

Data Display/ Charging

Units Displayed

Typical Data Value

12.417 Volts

Body Control Module (Bcm) - Suzuki XL7 2007 Service Manual

Body Control Module (BCM)

Troubleshooting

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