Toyota Tundra 2005 Service - Repair - Maintenance page 2170

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No Continuity

STARTING (2UZ−FE)

INSPECT FIELD COIL FOR OPEN CIRCUIT

Using an ohmmeter, check that there is continuity between the

lead wire and field coil brush lead.

If there is no continuity, replace the field frame.

INSPECT THAT FIELD COIL IS NOT GROUNDED

Using an ohmmeter, check that there is no continuity between

the field coil end and field frame.

If there is continuity, repair or replace the field frame.

2.0 kW type:

INSPECT SHUNT COIL FOR OPEN CIRCUIT

Using an ohmmeter, measure the resistance between shunt

coil terminals (A) and (B).

Resistance: 1.5 to 1.9 Ω at 20°C (68°F)

If the resistance is not as specified, replace the field frame.

INSPECT BRUSH LENGTH

Using vernier calipers, measure the brush length.

Standard length:

Minimum length:

If the length is less than minimum, replace the brush holder and

field frame.

15.5 mm (0.610 in.)

15.0 mm (0.591 in.)

10.0 mm (0.394 in.)

9.0 mm (0.354 in.)