1137 / 1980
ELECTRICALS
213
Sr.
No.
Displayed
DTC Code
DTC Description
Fault
cause
Probable trouble Area
68 P0139 - 26
O2 sensor circuit
slow response(bank
1 sensor2) - signal
rate of change below
threshold
Signal rate
of change
below
threshold
1) Loose/ damaged connections or intermittent
fault.
2) Sensor supply line short circuit to battery/
ground.
3) Sensor signal line short circuit to battery/
ground.
4) Check the continuity from sensor connector
pins to the ECU pins.
5) Check for back out of pins at both sensor
connector and ECU connector.
6) Check for damage of pins at both sensor
connector and ECU connector.
7) Faulty downstream HO2S2 sensor.
8) Faulty ECU.
69 P0139 - 27
O2 sensor circuit
slow response(bank
1 sensor2) - signal
rate of change above
threshold
Signal rate
of change
above
threshold
1) Loose/ damaged connections or intermittent
fault.
2) Sensor supply line short circuit to battery/
ground.
3) Sensor signal line short circuit to battery/
ground.
4) Check the continuity from sensor connector
pins to the ECU pins.
5) Check for back out of pins at both sensor
connector and ECU connector.
6) Check for damage of pins at both sensor
connector and ECU connector.
7) Faulty downstream HO2S2 sensor.
8) Faulty ECU.
70 P0133 - 26 Upstream
oxygen
sensor slow response
Signal rate
of change
below
threshold
1) Loose/ damaged connections or intermittent
fault.
2) Sensor supply line short circuit to battery/
ground.
3) Sensor signal line short circuit to battery/
ground.
4) Check the continuity from sensor connector
pins to the ECU pins.
5) Check for back out of pins at both sensor
connector and ECU connector.
6) Check for damage of pins at both sensor
connector and ECU connector.
7) Faulty upstream HO2S1 sensor.
8) Faulty ECU.
71 P0692 - 12
A/C fan 1 control
circuit high - circuit
short to battery
Circuit short
to battery
1. Check with the connectivity.
2. Faulty ECU.