G3/6 (Right O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0140)

P0140
G3/6 (Right O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0140)
Possible cause:
­ G3/6 (Right O2 sensor, after TWC [KAT])
­ Z7/36 (Circuit 87 M2e connector sleeve)
­ K40/4f44 (Fuse 44)
­ K40/4kK (Engine electronics and chassis relay)
Affected functions:
­
­
Engine diagnosis
Exhaust system
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Arrangement of fuses
Test 2: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
Test 3: Power supply
1. Arrangement of fuses
End of test
2. Check component G3/6 (Right O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.
3. Power supply
Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
­
Check voltage supply according to wiring diagram.

G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0138)

P0138
Page 4132010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0138)
Possible cause:
­ G3/6 (Right O2 sensor, after TWC [KAT])
Affected functions:
­
­
Engine diagnosis
Exhaust system
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.

G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to ground (P0137)

P0137
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to ground (P0137)
Possible cause:
­ G3/6 (Right O2 sensor, after TWC [KAT])
Affected functions:
­
­
Engine diagnosis
Exhaust system
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.

G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)

P0136
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)
Possible cause:
­ G3/6 (Right O2 sensor, after TWC [KAT])
Affected functions:
­
­
Engine diagnosis
Exhaust system
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.