Toyota CH-R Service Manual: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT PTC HEATER RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
|
*a |
Component without harness connected (PTC HTR NO. 1) |
*b |
Component without harness connected (PTC HTR NO. 2) |
|
*c |
Component without harness connected (PTC HTR NO. 3) |
- |
- |
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3 - 5 |
Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
|
3 - 5 |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω |
If the result is not as specified, replace the PTC heater relay.
Replacement
REPLACEMENT
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
(a) Start the engine.
(b) Operate the compressor under the conditions shown below:
Item
Condition
...
Room Temperature Sensor
Components
COMPONENTS
ILLUSTRATION
*1
COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)
*2
INSTRUMENT CLUSTER FINISH PANEL GARNISH ASSEMBLY
...
Other materials:
Toyota CH-R Service Manual > Can Communication System: Open in Bus 4 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Symptom
Trouble Area
Resistance between terminals 2 ...
Toyota CH-R Service Manual > Toyota Entune System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Telematics System
DTC No.
Detection Item
Link
U0142
Lost Communication with Body Control Module "B"
U0155
Lost Communication with Instrument Panel Cl ...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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