DESCRIPTION
The combination meter assembly receives information signals from the telltale light assembly (hazard warning signal switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (HAZARD FLASHER SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) According to the display on the Techstream, read the Data List.
Combination Meter
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Hazard Flasher Switch |
Hazard warning signal switch / OFF or ON |
OFF: Hazard warning signal switch off ON: Hazard warning signal switch on |
- |
OK:
Normal conditions listed above are displayed.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BATTERY) |
(a) Disconnect the combination meter assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C10-1 (B) - Body Ground |
Always |
11 to 14 V |
*a |
Front view of wire harness connector (to Combination Meter Assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the A33 air conditioning control assembly connector.
(b) Disconnect the C9 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A33-4 (HAZ) - C9-13 (HAZ) |
Always |
Below 1 Ω |
A33-1 (GND) - Body Ground |
Always |
Below 1 Ω |
A33-4 (HAZ) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
REPLACE AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) |
(a) Replace the air conditioning control assembly (hazard warning signal switch) (See page ).
|
5. |
READ VALUE USING TECHSTREAM (HAZARD FLASHER SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) According to the display on the Techstream, read the Data List.
Combination Meter
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Hazard Flasher Switch |
Hazard warning signal switch / OFF or ON |
OFF: Hazard warning signal switch off ON: Hazard warning signal switch on |
- |
OK:
Normal conditions listed above are displayed.
OK |
END (AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) WAS DEFECTIVE) |
NG |
REPLACE COMBINATION METER ASSEMBLY |
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