Diagnosis system (bluetooth control unit)
U1000 CAN comm circuitP0137, P0157 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...
Diagnosis system (TCM)
CONSULT Function
FUNCTION
CONSULT can display each diagnostic item using the diagnostic test modes
shown following.
WORK SUPPORT MODE
Display Item List
Engine Brake Adjustment
CAUTION:
Mode of "+1""0""−1""−2""OFF" can be selected by touching "UP"or
"DOWN" on CONSULT screen ...