Generator Inspection: Generator: Current

NOTE:

Since the charging current decreases rapidly after starting the engine, carry out the following procedure quickly, and read the maximum current value.

Verify that the battery is fully charged.
Verify that the drive belt deflection/tension is correct. (See DRIVE BELT INSPECTION .)
Disconnect the negative battery cable.
Connect a tester capable of reading 120 A or above between generator terminal B and the wiring harness.
Connect the negative battery cable.
Turn off all electrical loads.
Start the engine.
Increase engine speed to 2,500 rpm.
NOTE:
- When the electrical load of the vehicle is low, specified current will not be verified although the generator is normal. In this case, increase the electrical load (turn on the headlight and leave it for a while, then discharge the battery, etc.) and recheck.
- When the generator itself or the ambient temperature are too high, specified current will also not be verified. In this case, cool down the generator and recheck.
Turn the following electrical loads on and verify that the current reading increases more than the minimum value indicated below.
- If it is not as specified, go to PCM and generator shearing inspection. (See PCM AND GENERATOR SHEARING INSPECTION )
- Headlights (high-beam)
- Blower motor (high)
- Rear window defroster
- Stop lamp

Minimum current value

70 % of the nominal output current (nominal output current: 90 A)
1. [ambient temp. 20°C {68 °F}, voltage 13.0-15.0 V, both engine and generator are cold