| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001GUSX |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): Engine Coolant Temperature Receiver Gauge Malfunction; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022] | ||
|
Engine Coolant Temperature Receiver Gauge Malfunction |
DESCRIPTION
In this circuit, the combination meter assembly receives engine coolant temperature signals from the ECM via CAN communication. The combination meter assembly displays an engine coolant temperature warning based on the data received from the ECM.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
Before replacing the ECM, refer to Registration.
Click here
![2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
2. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
for M20A-FKS |
A |
|
for 2ZR-FAE |
B |
| B |
|
|
|
3. |
CHECK FOR DTC (SFI SYSTEM) |
(a) Check if SFI system DTCs are output.
Powertrain > Engine > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| A |
|
| B |
|
GO TO SFI SYSTEM
|
|
4. |
CHECK FOR DTC (SFI SYSTEM) |
(a) Check if SFI system DTCs are output.
Powertrain > Engine and ECT > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
GO TO SFI SYSTEM
|
|
|
5. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Combination Meter > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Water Temperature Meter Operation (50C,122F) |
Engine coolant temperature receiver gauge (50°C, 122°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (60C,140F) |
Engine coolant temperature receiver gauge (60°C, 140°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (70C,158F) |
Engine coolant temperature receiver gauge (70°C, 158°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (80C,176F) |
Engine coolant temperature receiver gauge (80°C, 176°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (Middle) |
Engine coolant temperature receiver gauge (Middle) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (110C,230F) |
Engine coolant temperature receiver gauge (110°C, 230°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (120C,248F) |
Engine coolant temperature receiver gauge (120°C, 248°F) |
ON |
See [Display 1] |
|
Water Temperature Meter Operation (127C,260F) |
Engine coolant temperature receiver gauge (127°C, 260°F) |
ON |
See [Display 1] |
[Display 1]: Water Temperature Meter Operation
|
*A |
for 4.2 Inch Type Multi-information Display |
*B |
for 7 Inch Type Multi-information Display |
|
*a |
Engine Coolant Temperature Receiver Gauge |
- |
- |
HINT:
Refer to the following table for the specified engine coolant temperature receiver gauge position for each selected value.
|
Tester Display |
engine coolant temperature receiver gauge indication |
|---|---|
|
Water Temperature Meter Operation (50C, 122F) |
Between 1 and 2 is indicated |
|
Water Temperature Meter Operation (60C, 140F) |
Between 2 and 3 is indicated |
|
Water Temperature Meter Operation (70C, 158F) |
Between 3 and 4 is indicated |
|
Water Temperature Meter Operation (80C, 176F) |
Approximately 4 is indicated |
|
Water Temperature Meter Operation (Middle) |
Approximately 4 is indicated |
|
Water Temperature Meter Operation (110C, 230F) |
Between 5 and 6 is indicated |
|
Water Temperature Meter Operation (120C, 248F) |
Approximately 7 is indicated |
|
Water Temperature Meter Operation (127C, 260F) |
Approximately 8 is indicated |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (50C,122F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (60C,140F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (70C,158F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (80C,176F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (Middle) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (110C,230F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (120C,248F) |
Body Electrical > Combination Meter > Active Test
|
Tester Display |
|---|
|
Water Temperature Meter Operation (127C,260F) |
OK:
Engine coolant temperature receiver gauge indication is normal.
| OK |
|
REPLACE ECM for M20A-FKS: Click here
for 2ZR-FAE: Click here
|
| NG |
|
REPLACE COMBINATION METER ASSEMBLY
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