| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GK9A |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): ON-VEHICLE INSPECTION; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SPEEDOMETER
NOTICE:
- The combination meter assembly receives the vehicle speed signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the skid control ECU (brake booster with master cylinder assembly) because it is the source of the vehicle speed signal.
- Data List values of the skid control ECU (brake booster with master cylinder assembly) are used for this inspection. Therefore, make sure to perform this inspection after confirming that DTCs are not output.
- If the tire size or tire inflation pressure is not within the specified range, or the tires are excessively worn, the speedometer indication error will increase. Therefore, make sure to perform this inspection after checking that the tire size, tire inflation pressure and tire wear are in the specified range.
(a) Warm up the engine.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
(f) Read the Data List according to the display on the Techstream.
Chassis > ABS/VSC/TRAC > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Vehicle Speed |
Maximum wheel speed sensor |
Min.: 0 km/h (0 mph), Max.: 326.4 km/h (203 mph) |
Vehicle stopped: 0 km/h (0 mph) |
When driving at constant speed: No large fluctuations |
Chassis > ABS/VSC/TRAC > Data List
|
Tester Display |
|---|
|
Vehicle Speed |
Reference (for Speedometer with Imperial Units for Main Scale):
|
Techstream Indication (mph) |
Acceptable Range (mph) |
|---|---|
|
20 |
19.3 to 21.8 |
|
40 |
39.6 to 42.4 |
|
60 |
60.0 to 62.8 |
|
80 |
80.3 to 83.5 |
|
100 |
100.8 to 104.0 |
|
120 |
121.3 to 124.5 |
|
140 |
141.8 to 145.0 |
Reference (for Speedometer with Metric Units for Main Scale):
|
Techstream Indication (km/h) |
Acceptable Range (km/h) |
|---|---|
|
20 |
18.5 to 22.5 |
|
40 |
38.8 to 43.3 |
|
60 |
59.2 to 63.7 |
|
80 |
79.4 to 84.4 |
|
100 |
99.9 to 104.9 |
|
120 |
120.4 to 125.4 |
|
140 |
140.9 to 145.9 |
|
160 |
161.3 to 166.3 |
|
180 |
181.8 to 186.8 |
|
200 |
202.3 to 207.3 |
|
220 |
222.8 to 227.8 |
OK:
Speedometer reading is within the acceptable range at each vehicle speed.
2. INSPECT TACHOMETER
(a) Warm up the engine.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Hybrid Control / Data List.
(f) Read the Data List according to the display on the Techstream.
Powertrain > Hybrid Control > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Engine Speed |
Engine speed |
- |
Engine stopped: 0 rpm While engine running at a constant speed: No significant fluctuation |
- |
Powertrain > Hybrid Control > Data List
|
Tester Display |
|---|
|
Engine Speed |
Reference:
|
Techstream Indication (rpm) |
Acceptable Range (rpm) 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) |
OK:
Tachometer reading is within the acceptable range at each engine speed.
3. INSPECT WARNING AND INDICATOR LIGHT ILLUMINATION (INITIAL CHECK)
(a) Turn the power switch off.
(b) Turn the power switch on (IG) or on (READY), and check the operation of the warning and indicator lights in the following table.
OK:
All of the lights illuminate and then turn off
|
Warning or Indicator Light |
|---|
|
Brake warning light / red (malfunction) |
|
SRS warning light |
|
EPS warning light |
|
MIL (Check engine warning light) |
|
PCS warning light* |
|
Slip indicator light |
|
VSC OFF indicator light |
|
ABS warning light |
|
Brake warning light / yellow (minor malfunction) |
|
Brake hold standby indicator light |
- *: w/ Forward Recognition Camera
HINT:
The illumination of each warning light and indicator light varies.
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