Air Conditioning System (For Manual Air Conditioning System) Idle Up Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE USING GTS (IDLE UP/PWR HEAT SWITCH)
INSPECT IDLE UP SWITCH
CHECK HARNESS AND CONNECTOR (IDLE UP SWITCH - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BODY GROUND)
AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) - Idle Up Switch Circuit |
DESCRIPTION
When the idle up switch is pushed, the air conditioning amplifier assembly outputs the engine idle up signal. If engine idle up does not occur when the idle up switch is pushed, there may be a problem in the circuit shown below.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.READ VALUE USING GTS (IDLE UP/PWR HEAT SWITCH) |
Use the Data List to check if the idle up switch is functioning properly (Click here).
Tester Display
| Measurement Item/Range
| Normal Condition
| Diagnostic Note
|
IDLE UP/PWR HEAT Switch
| Idle up switch/ON or OFF
| ON: Idle up switch on
OFF: Idle up switch off
| -
|
- OK:
- The display is as specified in the normal condition column.
| | REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (Click here) |
|
|
Remove the idle up switch (Click here).
Inspect the idle up switch (Click here).
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 3.CHECK HARNESS AND CONNECTOR (IDLE UP SWITCH - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BODY GROUND) |
Disconnect the E97 idle up switch connector.
Disconnect the E81 air conditioning amplifier assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E97- 6 (+S) - E81-4 (SW 1)
| Always
| Below 1 Ω
|
E97-3 (E) - Body ground
| Always
| Below 1 Ω
|
E97- 6 (+S) or E81-4 (SW 1) - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (Click here) |
|
