Toyota 2GR-FE Manual page 207

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from the normal
mode to check mode or vice versa, all DTCs and freeze
frame data recorded in normal mode are erased. Before
changing modes, always check and make a note of DTCs
and freeze frame data.
HINT:
• DTCs which are stored in the ECM can be displayed on an
intelligent tester. An intelligent tester can display the
current and pending DTCs.
• Some DTCs are not set if the ECM does not detect the
same malfunction again during a second consecutive
driving cycle. However, such malfunctions, detected on
only one occasion, are stored as pending DTCs.
1. CHECK DTC (Using an intelligent tester)
(a) Connect an intelligent tester to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Enter the following menu items: DIAGNOSIS /
(e) Check the DTC(s) and freeze frame data, and then
(f)
2. CLEAR DTC (Using an intelligent tester)
(a) Connect an intelligent tester to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Enter the following menu items: DIAGNOSIS /
(e) Press the YES button.
3. CLEAR DTC (Without using an intelligent tester)
(a) Perform either one of the following operations:
ENHANCED OBD II / DTC INFO / CURRENT
CODES.
write them down.
Check the details of the DTC(s) (See page ES-63).
ENHANCED OBD II / DTC INFO / CLEAR CODES.
(1) Disconnect the negative battery cable for more
than 1 minute.
(2) Remove the EFI MAIN and ETCS fuses from the
Engine Room relay block located inside the
engine compartment for more than 1 minute.
ES–51
ES