Table of Contents
Advertisement
6-70 ENGINE GENERAL INFORMATION AND DIAGNOSIS
DTC P0135 (DTC NO.14) HEATED OXYGEN SENSOR (HO2S) HEATER CIRCUIT
MALFUNCTION (SENSOR-1)
WIRING DIAGRAM / CIRCUIT DESCRIPTION
DTC DETECTING CONDITION
DTC will set when one of the following conditions is met.
• Low voltage at terminal C42-7 when engine is running
at high load.
• High voltage at terminal C42-7 when engine is running
under condition other than above.
✱2 driving cycle detection logic, Continuous monitoring.
DTC CONFIRMATION PROCEDURE
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester.
1) Turn ignition switch OFF.
2) Clear DTC with ignition switch ON, start engine and keep it at idle for 1 min.
3) Start vehicle and depress accelerator pedal fully for 5 sec. or longer.
4) Stop vehicle.
5) Check DTC in "DTC" mode and pending DTC in "ON BOARD TEST" or "PENDING DTC" mode.
BLK/WHT
RED/BLU
C42 (31P)
9
8
7
6
5
4
3
2
1
21
20
19
18
17
16
15
14
13
12
11
10
31
30
29
28 27
26
25
24
23
22
IG1
C41 (24P)
G02 (17P)
7
6
5
4
3
2
1
6
5
12
11
16
15
14
13 12
11
10
9
8
24
23
22
21
20
19
18
17
17
16
POSSIBLE CAUSE
• HO2S-1 heater circuit open or shorted to ground
• ECM malfunction
ECM
C42-7
4
3
2
1
10
9
8
7
15
14
13
Advertisement
Table of Contents
