FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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[1] Check component G3/1 (O2 sensor downstream TWC).: The calibration value is too high.


[1] Check component G3/1 (O2 sensor downstream TWC).: The calibration value is too high.

Test 1: Check component G3/1 (O2 sensor downstream TWC).

1. Check component G3/1 (O2 sensor downstream TWC).

Test 1.1: Test current consumption of heating of component G3/1 (O2 sensor downstream TWC).

1.1. Test current consumption of heating of component G3/1 (O2 sensor downstream TWC).
Warning!Risk of injury from rotating parts!

- Severe injuries from limbs being jammed or squashed may result from rotating parts and in extreme cases the limbs may be sheared off.
Rules of conduct and protective measures

- Do not insert your hand into rotating parts.
- Wear closed and close-fitting work clothes.


Test prerequisite

- The actual value is not o.k.
Test sequence

- Switch off ignition.
- Detach sockets 5 and 2 at component N3/9 (CDI control unit).
- (N3/10) 5.Measure direct current with multimeter between sockets 7 and 2.24 (N3/10)
- Switch on ignition.
Warning!Perform the measurement only for a short time so that component G3/1 (O2 sensor downstream TWC) does not overheat.Specified value:

- Amperage[0.5...2.0] A
Question

- Is the measurement value OK?







YES
The measurement value is OK.Further possible causes of fault

- Signal cable of component G3/1 (O2 sensor downstream TWC)
- G3/1 (O2 sensor downstream TWC)
End of test

NO
The measurement value is not OK.Possible cause and remedy

- N10/1f54 (Fuse 54)
- N10/1kR (Circuit 87 relay, engine)
- Cable of O2 sensor heater of component G3/1 (O2 sensor downstream TWC)
- G3/1 (O2 sensor downstream TWC)
End of test