Notice: All the stored dtcs and freeze frame data are erased if: 1) the ecm is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from on to acc or off while in check mode. Before changing modes, always check and make a note of any dtcs and freeze frame data. |
HINT:
1. Check dtc (using an intelligent tester)
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn the tester ON.
(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
(e) Check for the DTC(s) and freeze frame data, and then write them down.
(f) Check the details of the DTC(s) (See page ES-56).
2. CLEAR DTC (Using the intelligent tester)
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn the tester ON.
(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES.
(e) Press the YES button.
3. CLEAR DTC (Without using an intelligent tester)
(a) Perform either one of the following operations:
(1) Disconnect the negative battery cable for more than 1 minute.
(2) Remove the EFI No. 1 and ETCS fuses from the Relay Block (R/B) located inside the engine compartment for more than 1 minute.
Data list / active test
1. READ DATA LIST
HINT:
Using the intelligent tester to read the Data List allows
the values or states of switches, sensors, actuators and
other items to be read without removing any parts. This
non-intrusive inspection can be very useful because
intermittent conditions or signals may be disco ...
Trailer towing tips
Your vehicle will handle differently when towing a trailer. Help to avoid
an accident, death or serious injury, keep the following in mind when
towing:
Speed limits for towing a trailer vary by state or province. Do
not
exceed the posted towing speed limit.
Toyota recommends that the ve ...
Occupant Classification Sensor Power Supply
Circuit Malfunction
DTC B1793 Occupant Classification Sensor Power Supply
Circuit Malfunction
DESCRIPTION
The occupant classification sensor power supply circuit consists of the
occupant classification ECU and
the occupant classification sensors.
DTC B1793 is recorded when a malfunction is detected in the occu ...