ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SPEEDOMETER
(a) Check the operation.
(1) Using a speedometer tester (calibrated chassis dynamometer), check the speedometer indication according to the table below.
Reference:
Chassis Dynamometer Indication (km/h) |
Acceptable Range (km/h) Data in ( ) is for reference |
---|---|
20 |
(17.5 to 21.5) |
40 |
38.0 to 42.0 |
60 |
58.0 to 63.0 |
80 |
78.0 to 84.0 |
100 |
98.5 to 104.5 |
120 |
119.0 to 125.0 |
140 |
139.0 to 146.0 |
160 |
159.0 to 167.0 |
180 |
179.0 to 188.0 |
200 |
199.0 to 209.0 |
NOTICE:
Tire wear as well as over or under inflation will cause errors.
(2) Check the deviation of the speedometer indication from the acceptable range.
Reference:
Less than 0.5 km/h (0.3 mph)
HINT:
If the indication is not as specified, go to Problem Symptoms Table (See page
).
2. INSPECT TACHOMETER
(a) Connect the Techstream, and start the engine.
(b) Compare the test results with the tachometer indications.
Techstream Indication (rpm) |
Acceptable Range Data in ( ) is for Reference |
---|---|
700 |
630 to 770 |
1000 |
(900 to 1100) |
2000 |
(1850 to 2150) |
3000 |
2800 to 3200 |
4000 |
(3800 to 4200) |
5000 |
4800 to 5200 |
6000 |
(5750 to 6250) |
7000 |
6700 to 7300 |
HINT:
If the indication is not as specified, go to Problem Symptoms Table (See page
).
Unmatched Encryption Code (B2794)
DESCRIPTION
This DTC is stored when a key with an incomplete key code is inserted into the
ignition key cylinder.
DTC No.
DTC Detection Condition
Trouble Area
B2794
Key with incomplete key code i ...
Short in Driver Side Squib Circuit (B1800/51-B1803/51)
DESCRIPTION
The driver side squib circuit consists of the center airbag sensor assembly,
spiral cable and steering pad.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These DTCs are stored wh ...
ECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs
stored in the old ECU using the Techstream and writ ...