DTC Confirmation Procedure

Perform "PROCEDURE FOR MALFUNCTION A" first. If 1st trip DTC cannot be confirmed, perform "PROCEDURE FOR MALFUNCTION B".

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

PROCEDURE FOR MALFUNCTION A

With CONSULT
(1) Turn ignition switch "ON".





(2) Select "DATA MONITOR" mode with CONSULT.
(3) Verity that "COOLAN TEMP/S" is less than 40° C (104° F).
If the engine coolant temperature is above the range, cool the engine down.
(4) Start engine and let it idle for at least 8 seconds.

With GST
(1) Turn ignition switch "ON".
(2) Select "MODE 1" with GST.
(3) Verity that engine coolant temperature is less than 40° C (104° F) .
If the engine coolant temperature is above the range, cool the engine down.
(4) Start engine and let it idle for at least 8 seconds.
(5) Select "MODE 7" with GST

No Tools
(1) Turn ignition switch "ON".





(2) Verify that voltage between ECM terminal 59 (engine coolant temperature sensor signal) is more 1.5V.
If the voltage is below the range, cool the engine down.
(3) Start engine and let it idle for at least 8 seconds.
(4) Turn ignition switch "OFF" and wait at least 5 seconds.
(5) Turn ignition switch "ON" and perform "Diagnostic Test Mode (Self-diagnostic results)" with ECM.

PROCEDURE FOR MALFUNCTION B

CAUTION: Always drive vehicle at a safe speed.

TESTING CONDITION:
Always perform the test at a temperature of -10° C (14° F) or higher.

With CONSULT
(1) Start engine and warm it up to normal operating temperature.
(2) Run engine at idle for at least 2 minutes.
(3) Confirm that EGR valve is not lifting.
If the check result is NG, go to trouble diagnoses for "DTC P0400, P0402 and P1402".





(4) Select "DATA MONITOR" mode with CONSULT
(5) Read "EGR TEMP SEN" at about 1,500 rpm while holding the EGR valve in full open position by hand.
Voltage should decrease to less than 1.5V.
If the check result is NG, go to "Diagnostic Procedure".
If the check result is OK, go to following step.
(6) Turn ignition switch "OFF" and wait at least 5 seconds.
(7) Turn ignition switch "ON".
(8) Check the output voltage of "THRTL POS SEN" at closed throttle position and note it.
(9) Start engine.
(10) Maintain the following conditions for at least 5 consecutive seconds.
CMPS.RPM (REF):
1,600 - 2,400 rpm (A/T models)
1,800 - 2,600 rpm (M/T models)
B/FUEL SCHDL: 3.0 - 4.5 ms
THRTL POS SEN:
X - (X + 0.70) V (A/T models)
X - (X + 0.66) V (M/T models)
X = Voltage value measured at step 8 Selector lever: Suitable position