Toyota CH-R Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COMBINATION METER ASSEMBLY
(a) Check speedometer operation
NOTICE:
- The combination meter assembly receives the vehicle speed signal from the skid control ECU (brake actuator assembly) via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the skid control ECU (brake actuator assembly) because it is the source of the vehicle speed signal.
- Data List values of the skid control ECU (brake actuator 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.
(1) Warm up the engine.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch ON.
(4) Turn the Techstream on.
(5) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Data List.
(6) Read the Data List according to the display on the Techstream.
Chassis > ABS/VSC/TRAC/EPB > Data List|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Vehicle Speed |
Maximum wheel speed sensor reading |
Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) |
When driving at constant speed: No large fluctuations |
|
Tester Display |
|---|
|
Vehicle Speed |
|
Techstream Indication (km/h) |
Acceptable Range (km/h) |
|---|---|
|
20 |
21.0 to 25.0 |
|
40 |
41.7 to 46.2 |
|
60 |
62.7 to 67.2 |
|
80 |
83.4 to 88.4 |
|
100 |
104.3 to 109.3 |
|
120 |
125.1 to 130.6 |
|
140 |
145.8 to 151.8 |
|
160 |
166.2 to 173.2 |
|
180 |
186.9 to 194.5 |
|
200 |
207.7 to 215.7 |
|
220 |
228.4 to 236.8 |
|
Techstream Indication (km/h) |
Acceptable Range (km/h) |
|---|---|
|
20 |
18.5 to 22.5 |
|
40 |
38.7 to 43.2 |
|
60 |
59.2 to 63.7 |
|
80 |
79.3 to 84.3 |
|
100 |
99.8 to 104.8 |
|
120 |
120.3 to 125.3 |
|
140 |
140.7 to 145.7 |
|
160 |
161.2 to 166.2 |
|
180 |
181.6 to 186.6 |
|
200 |
202.1 to 207.1 |
|
220 |
222.6 to 227.6 |
|
Techstream Indication (MPH) |
Acceptable Range (MPH) |
|---|---|
|
20 |
19.3 to 21.8 |
|
40 |
39.5 to 42.3 |
|
60 |
60 to 62.8 |
|
80 |
80.2 to 83.4 |
|
100 |
100.7 to 103.9 |
|
120 |
121.2 to 124.4 |
|
140 |
141.6 to 144.8 |
OK:
Speedometer reading is within the acceptable range at each vehicle speed.
(b) Inspect tachometer
(1) Warm up the engine.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch ON.
(4) Turn the Techstream on.
(5) Enter the following menus: Powertrain / Engine and ECT / Data List.
(6) Read the Data List according to the display on the Techstream.
Powertrain > Engine and ECT > Data List|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Reference Value |
Diagnostic Note |
|---|---|---|---|---|---|
|
Engine Speed |
Engine speed |
Min.: 0 rpm, Max.: 16383 rpm |
710 to 810 rpm: Idling with warm engine |
- |
When the crankshaft position sensor is malfunctioning, "Engine Speed" is approximately 0 rpm or varies greatly from the actual engine speed. |
|
Tester Display |
|---|
|
Engine Speed |
|
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) |
|
7000 |
6700 to 7300 |
|
8000 |
(7700 to 8300) |
OK:
Tachometer reading is within the acceptable range at each engine speed.
(c) Check LED illumination (LED check)
(1) Check the illumination function of the warning or indicator lights listed below when turning the ignition switch ON.
OK:
|
Warning or Indicator Light |
Control ECU |
Specified Condition |
|---|---|---|
|
Brake warning light |
Skid control ECU (brake actuator assembly) |
Warning or indicator light comes on for about 3 seconds after turning the ignition switch to ON. |
|
VSC OFF indicator light |
Skid control ECU (brake actuator assembly) |
|
|
Slip indicator light |
Skid control ECU (brake actuator assembly) |
|
|
ABS warning light |
Skid control ECU (brake actuator assembly) |
|
|
Tire pressure warning light |
Tire pressure warning ECU and receiver |
|
|
EPB indicator light |
Skid control ECU (brake actuator assembly) |
|
|
EPB warning light |
Skid control ECU (brake actuator assembly) |
|
|
AHB indicator light*1 |
Main body ECU (Multiplex network body ECU) |
|
|
BSM indicator light*2 |
Blind spot monitor sensor LH |
|
|
RCTA indicator light*2 |
Blind spot monitor sensor LH |
|
|
SRS warning light |
Airbag sensor assembly |
Warning light comes on for about 6 seconds after turning the ignition switch to ON. |
|
Charge warning light |
ECM |
Warning light comes on when the ignition switch is turned ON. |
|
MIL (Check engine warning light) |
ECM |
|
|
EPS warning light |
Power steering ECU assembly |
- *1: w/ Toyota Safety Sense P
- *2: w/ Blind Spot Monitor System
Fuel Sender Open Detected (B1500)
DESCRIPTION
This DTC is stored when the combination meter assembly detects a fuel sender
gauge assembly malfunction via a direct line.
DTC No.
Detection Item
DTC D ...
Open in Turn Signal Circuit (B1507,B1508)
DESCRIPTION
These DTCs are stored when the combination meter assembly detects an open in
a turn signal light circuit, or a short in a turn signal light circuit or the hazard
warning light circuit ...
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Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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