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TEST
1. Start the engine.
2. Turn on the headlamps and blower motor, and set the engine speed until the ammeter indicates 20A.
And then, read the voltmeter at this time.
RESULT
1. The voltmeter may indicate the standard value.
Standard value: 0.2V max
2. If the value of the voltmeter is higher than expected (above 0.2V max.), poor wiring is suspected. In this case
check the wiring from the alternator "B" terminal to the battery (+) terminal. Check for loose connections, color
change due to an over-heated harness, etc. Correct them before testing again.
3. Upon completion of the test, set the engine speed at idle.
Turn off the headlamps, blower motor and the ignition switch.
OUTPUT CURRENT TEST
This test determines whether or not the alternator gives an output current that is equivalent to the normal output.
PREPARATION
1. Prior to the test, check the following items and correct as necessary.
Check the battery installed in the vehicle to ensure that it is in good condition. The battery checking method is
described in the section "Battery".
The battery that is used to test the output current should be one that has been partially discharged. With a fully
charged battery, the test may not be conducted correctly due to an insufficient load.
Check the tension of the alternator drive belt. The belt tension check method is described in the section "Inspect
drive belt".
2. Turn off the ignition switch.
3. Disconnect the battery ground cable.
4. Disconnect the alternator output wire from the alternator "B" terminal.
5. Connect a DC ammeter (0 to 150A) in series between the "B" terminal and the disconnected output wire. Be sure
to connect the (-) lead wire of the ammeter to the disconnected output wire.
Tighten each connection securely, as a heavy current will flow. Do not rely on clips.
6. Connect a voltmeter (0 to 20V) between the "B" terminal and ground. Connect the (+) lead wire to the alternator "B"
terminal and (-) lead wire to a good ground.
Summary of Contents for G 3.8 DOHC
Page 1: ...Engine Electrical System General Information Engine SLJ YPcal System...
Page 5: ...Engine Electrical System Ignition System Engine Electrical System...
Page 7: ...2007 G 3 8 DOHC COMPONENTS...
Page 10: ...SPARK PLUG 1 Remove the ignition coil connector A...
Page 13: ...Engine Electrical System Charging System Engine Electrical System...
Page 19: ...Engine Electrical System Charging System Alternator Engine Electrical System...
Page 20: ...2007 G 3 8 DOHC COMPONENTS...
Page 26: ...7 Install the pulley with a hexagonal wrench...
Page 27: ...Engine Electrical System Charging System Battery Engine Electrical System...
Page 30: ...INSPECTION BATTERY DIAGNOSTIC FLOW...
Page 33: ...Engine Electrical System Starting System Engine Electrical System...
Page 38: ...Engine Electrical System Starting System Starter Engine Electrical System...
Page 39: ...2007 G 3 8 DOHC COMPONENTS...
Page 54: ...Engine Electrical System Starting System Starter Relay Engine Electrical System...
Page 56: ...Engine Electrical System Cruise Control System Engine Electrical System...
Page 61: ...Engine Electrical System Cruise Control System Cruise Control Switch Engine Electrical System...