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

Chassis > ABS/VSC/TRAC/EPB > Data List

Tester Display

Vehicle Speed

Reference km/h (w/o Occupant Classification System)

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

Reference km/h (w/ Occupant Classification System and w/o Daytime Running Light OFF function)

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

Reference km/h (w/ Occupant Classification System and w/ Daytime Running Light OFF function)

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.

Powertrain > Engine and ECT > 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)

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
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