DTC Confirmation Procedure
- INSPECTION START
Will CONSULT be used?
Will CONSULT be used?
YES
GO TO 2.
NO
GO TO 5.
- PRECONDITIONING
If DTC confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
For better results, perform "DTC WORK SUPPORT" at a temperature of 0 to 30°C (32 to 86°F).
GO TO 3.
- PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
- Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 1 minute.
- Check that "COOLANT TEMP/S" indicates more than 70°C (158°F).
If not, warm up engine and go to next step when "COOLANT TEMP/S" indication reaches 70°C (158°F).
- Open engine hood.
- Select "HO2S2 (B1) P1147" (for DTC P0137) or "HO2S2 (B2) P1167" (for DTC P0157) of "HO2S2" in "DTC WORK SUPPORT" mode with CONSULT.
- Follow the instruction of CONSULT display.NOTE: It will take at most 10 minutes until "COMPLETED" is displayed.
- Touch "SELF-DIAG RESULTS".
Which is displayed on CONSULT screen?
OK-1
To check malfunction symptom before repair: Refer to Intermittent Incident .
OK-2
Confirmation after repair: INSPECTION END
NG
Proceed to Diagnosis Procedure .
CAN NOT BE DIAGNOSED
GO TO 4.
- PERFORM DTC CONFIRMATION PROCEDURE AGAIN
- Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
- Perform DTC confirmation procedure again.
GO TO 3.
- PERFORM COMPONENT FUNCTION CHECK-I
Without CONSULT
- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 1 minute.
- Check the voltage between ECM harness connector terminals under the following conditions.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F13
41
35
Revving up to 4, 000 rpm under no load at least 10 times
The voltage should be above 0.72 V at least once during this procedure.
P0157
32
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 6.
- PERFORM COMPONENT FUNCTION CHECK-II
Check the voltage between ECM harness connector terminals under the following conditions.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F13
41
35
Keeping engine at idle for 10 minutes
The voltage should be above 0.72 V at least once during this procedure.
P0157
32
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 7.
- PERFORM COMPONENT FUNCTION CHECK-III
Check the voltage between ECM harness connector terminals under the following conditions.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F13
41
35
Coasting from 80 km/h (50 MPH) with selector lever in the D position
The voltage should be above 0.72 V at least once during this procedure.
P0157
32
Is the inspection result normal?
YES
To check malfunction symptom before repair: Refer to Intermittent Incident .
YES
Confirmation after repair: INSPECTION END
NO
Proceed to Diagnosis Procedure .