HAZARD WARNING SWITCH INSPECTION
| CAUTION | The hazard switch is not reuseable since it is broken when disconnected from the hazard switch knob. Do not remove the hazard switch except when replacing it. |
Scheme 2
Scheme 3
- Remove the following parts: Shift lever knob (MT) (See «TRANSMISSION REMOVAL/INSTALLATION [P66M-D]»(ref-367635-S07700204162010072700000) .) Shift knob (AT) (See «SELECTOR LEVER REMOVAL/INSTALLATION»(ref-367663-S27891068622010072700000) .) Console panel (See «CONSOLE REMOVAL/INSTALLATION»(ref-367662-S08997723562010072700000) .) Ashtray panel (See «CONSOLE REMOVAL/INSTALLATION»(ref-367662-S08997723562010072700000) .) Lower panel (See «LOWER PANEL REMOVAL/INSTALLATION»(ref-367662-S38463010542010072700000) .) Knee bolster (See «KNEE BOLSTER REMOVAL/INSTALLATION»(ref-367662-S00557200222010072700000) .) Center panel unit (See «CENTER PANEL UNIT REMOVAL/INSTALLATION»(ref-367632-S21389676612010072700000) .) Speaker grille (See «SPEAKER GRILLE REMOVAL/INSTALLATION»(ref-367662-S30339958912010072700000) .) Center panel (See «CENTER PANEL REMOVAL/INSTALLATION»(ref-367662-S08814802452010072700000) .)
- Verify that the continuity between the hazard switch terminals is as indicated in the table. If not as indicated in the table, replace the center panel.
FLASHER CONTROL MODULE INSPECTION
- Remove the flasher control module with the connector still connected.
- Measure the voltage at each terminal. If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item(s)".
Scheme 4
| Terminal | Signal name | Connected to | Measured condition | Voltage (V)/Continuity | Inspection item(s) | |
|---|---|---|---|---|---|---|
| A | Power supply | HAZARD 15 A fuse | Under any condition | B+ | HAZARD 15 A fuse Related wiring harnesses | |
| D | Flasher control module output | Turn light (LH) | Turn light switch (LH) is on. | Turn light (LH) flashes. | Alternates between 1.0 or less and B+ | Turn light (LH) Related wiring harnesses |
| Hazard warning switch is on. | ||||||
| Except above | 1.0 or less | |||||
| F | GND | Body ground | Under any condition: Inspect for continuity to ground. | Continuity detected | GND | |
| G | Flasher control module output | Turn light (RH) | Turn light switch (RH) is on. | Turn light (RH) flashes. | Alternates between 1.0 or less and B+ | Turn light (RH) Related wiring harnesses |
| Hazard warning switch is on. | ||||||
| Except above | 1.0 or less | |||||
| H | Hazard warning switch input | Hazard warning switch | Hazard warning switch is on. | 1.0 or less | Hazard warning switch (See HAZARD WARNING SWITCH INSPECTION .) Related wiring harnesses | |
| Hazard warning switch is off. | B+ | |||||
| I | Turn switch (RH) input | Turn switch | Turn the ignition switch to the ON position. | Turn switch (RH) is on. | B+ | Turn switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Except above | 1.0 or less | |||||
| J | Turn switch (LH) input | Turn switch | Turn the ignition switch to the ON position. | Turn switch (LH) is on. | B+ | Turn switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Except above | 1.0 or less | |||||
TERMINAL VOLTAGE REFERENCE
AUTO LIGHT/WIPER CONTROL MODULE INSPECTION
- Measure the voltage at the auto light/wiper control module terminals as indicated below.
Scheme 5
| Terminal | Signal | Connection | Test condition | Voltage (V) | Action | |
|---|---|---|---|---|---|---|
| 1A (1) | RH headlight operation (high-beam) | RH headlight (high-beam) | Light switch at HEAD position | Dimmer switch at the high-beam position | B+ | RH headlight Related wiring harnesses |
| Dimmer switch at the low-beam position | 1.0 or less | |||||
| DRL mode | Approx 6.0 | |||||
| 1B (1) | LH headlight operation (high-beam) | LH headlight (high-beam) | Light switch at HEAD position | Dimmer switch at the high-beam position | B+ | LH headlight Related wiring harnesses |
| Dimmer switch at the low-beam position | 1.0 or less | |||||
| DRL mode | Approx 6.0 | |||||
| 1C | Autostop switch signal | Autostop switch | Ignition switch at ON | Windshield wiper switch at LO position | B+ | Autostop switch (Windshield wiper motor) (See WINDSHIELD WIPER MOTOR INSPECTION .) Related wiring harnesses |
| Windshield wiper switch at OFF position | 1.0 or less | |||||
| 1D | Windshield wiper switch signal (OFF) | Windshield wiper and washer switch | Ignition switch at ON | Windshield wiper switch at LO position | B+ | Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Related wiring harnesses |
| Windshield wiper switch at OFF position | 1.0 or less | |||||
| 1E | IG2 | WIPER 30 A fuse | Ignition switch at ON | B+ | WIPER 30 A fuse Related wiring harnesses | |
| Ignition switch at LOCK or ACC | 1.0 or less | |||||
| 1F | Windshield wiper switch signal (HI) | Windshield wiper and washer switch | Ignition switch at ON | Windshield wiper switch at HI position | B+ | Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Related wiring harnesses |
| Windshield wiper switch at OFF position | 1.0 or less | |||||
| 1G (1) | GND | GND | Under any condition | 1.0 or less | Related wiring harnesses | |
| 1H | Windshield wiper switch signal (AUTO) | Windshield wiper and washer switch | Ignition switch at ON | Windshield wiper switch at AUTO position | B+ | Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Related wiring harnesses |
| Windshield wiper switch at OFF position | 1.0 or less | |||||
| 1I (1) | Power supply | DRL 15 A fuse | Constant | B+ | DRL 15 A fuse Related wiring harnesses | |
| 1J | Washer switch signal | Windshield wiper and washer switch | Ignition switch at ON | Washer switch at ON position | B+ | Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Related wiring harnesses |
| Washer switch at OFF position | 1.0 or less | |||||
| 1K (1) | LH headlight operation (high-beam) | LH headlight (high-beam) | Light switch at the OFF position | Ignition switch at ON position | B+ | LH headlight Related wiring harnesses |
| Ignition switch LOCK or ACC position | 1.0 or less | |||||
| 1L (1) | High-beam on/off | Light switch | Ignition switch at ON | Dimmer switch at high-beam position | 1.0 or less | Light switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Dimmer switch at low-beam position | B+ | |||||
| 2A | Vehicle speed signal input | DSC HU/CM or ABS HU/CM | Because this terminal is for communication, good/no good judgment by terminal voltage is not possible. | DSC HU/CM ABS HU/CM Related wiring harnesses | ||
| 2B | Sensitivity adjustment volume | Windshield wiper and washer switch | Ignition switch at ON | Sensitivity adjustment volume turned from + position to - position | 0 --> 0.8 --> 1.5 --> 1.9 --> 2.2 | Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Related wiring harnesses |
| 2C | IG1 | METER 10 A fuse | Ignition switch at ON | B+ | METER 10 A fuse Related wiring harnesses | |
| Ignition switch at LOCK or ACC | 1.0 or less | |||||
| 2D | Power supply | ROOM 15 A fuse | Constant | B+ | ROOM 15 A fuse Related wiring harnesses | |
| 2E | Wiper or headlight operation request | Auto light (Rain) sensor | Because this terminal is for communication, good/no good judgment by terminal voltage is not possible. | Auto light (Rain) sensor Related wiring harnesses | ||
| 2F | DLC-2 power supply | DLC-2 | Under any condition | B+ | Related wiring harnesses | |
| 2G | TNS relay operation | TNS relay | Light switch at low-beam or high-beam position | Below 1.5 | TNS relay (See RELAY INSPECTION .) Related wiring harnesses | |
| Light switch at OFF | B+ | |||||
| 2H | Auto light (Rain) sensor operation request | Auto light (Rain) sensor | Because this terminal is for communication, good/no good judgment by terminal voltage is not possible. | Auto light (Rain) sensor Related wiring harnesses | ||
| 2I | Front fog light relay on/off | Front fog light relay | Light switch at the headlight position and dimmer switch at LO | Front fog light switch at ON position | 2.0 or less | FRONT FOG LIGHT relay (See RELAY INSPECTION ) Related wiring harnesses |
| Front fog light switch at OFF position | B+ | |||||
| 2J | Front fog light switch on/off | Front fog light switch | Light switch at the headlight position and dimmer switch at LO | Front fog light switch at ON position | 1.0 or less | Light switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Front fog light switch at OFF position | B+ | |||||
| 2K | HEADLIGHT relay operation | HEADLIGHT relay | Light switch at high-beam position | Below 1.5 | HEADLIGHT relay (See RELAY INSPECTION .) Related wiring harnesses | |
| Light switch at OFF or low-beam position | B+ | |||||
| 2L | AUTO switch signal | Light switch | Ignition switch at ON | Light switch at AUTO position | 1.0 or less | Light switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Other | B+ | |||||
| 2M | TNS switch on/off | Light switch | Ignition switch at ON | Light switch at low-beam or high-beam position | 1.0 or less | Light switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Light switch at OFF position | B+ | |||||
| 2N | Headlight switch on/off | Light switch | Ignition switch at ON | Light switch at low-beam or high-beam position | 1.0 or less | Light switch (See LIGHT SWITCH INSPECTION .) Related wiring harnesses |
| Light switch at OFF position | B+ | |||||
| 2O | GND | GND | Under any condition | 1.0 or less | Related wiring harnesses | |
| 2P (1) | Parking brake switch on/off | Parking brake switch | Ignition switch at ON | Parking brake switch on | 1.0 or less | Parking brake switch Related wiring harnesses |
| Parking brake switch OFF | B+ | |||||
| (1) For vehicles with DRL only. | ||||||
| (1) | For vehicles with DRL only. |
TERMINAL VOLTAGE REFERENCE
TRUNK COMPARTMENT LIGHT SWITCH INSPECTION
Note. The trunk compartment light switch is built into the trunk lock.
Scheme 6
Scheme 7
- Remove the trunk lid trim. (See «TRUNK LID TRIM REMOVAL/INSTALLATION»(ref-367662-S37640661352010072700000) .)
- Disconnect the trunk compartment light switch connector.
- Verify that the continuity between the trunk compartment light switch terminals is as indicated in the table. If not as indicated in the table, replace the trunk lock.
PANEL LIGHT CONTROL SWITCH INSPECTION
- Connect the panel light control switch connector.
- Connect the negative battery cable.
- Measure the voltage at each terminal. If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item(s)".
- Disconnect the panel light control switch connector. If there is any malfunction, inspect the parts under "Inspection item(s)". If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the panel light control switch.
Scheme 8
| Terminal | Signal name | Connected to | Measured condition | Measured condition | Voltage (V)/Continuity | Inspection item(s) |
|---|---|---|---|---|---|---|
| A | Illumination | Instrument cluster | Inspect using an oscilloscope. (See TERMINALS A AND F INSPECTION .) | Instrument cluster Each illumination Related wiring harnesses | ||
| F | Each illumination | |||||
| B | TNS | TNS relay | Turn the light switch to the TNS or ON position. | B+ | TNS relay (See RELAY INSPECTION .) ILLUMI 10 A fuse Related wiring harnesses | |
| Turn the light switch to the OFF position. | 1.0 or less | |||||
| D | GND | Body ground | Under any condition | 1.0 or less | GND Related wiring harnesses | |
| G | IG1 | Ignition switch | Turn the ignition switch to the ON position. | B+ | Ignition switch (See IGNITION SWITCH INSPECTION [WITHOUT ADVANCED KEYLESS ENTRY AND START SYSTEM] .) Related wiring harnesses | |
| Turn the ignition switch to the ACC or LOCK position. | 1.0 or less | |||||
| H | Dimmer cancel | Instrument cluster/center panel module | Turn the light switch to the TNS or ON position. | Dimmer cancel switch is on. | B+ | Instrument cluster Center panel module Related wiring harnesses |
| Dimmer cancel switch is off. | 1.0 or less | |||||
TERMINAL VOLTAGE REFERENCE
Scheme 9
Scheme 10
- Measure the wave pattern of panel light control switch terminals A and F using an oscilloscope. Oscilloscope setting : 5 V/DIV (Y), 5 ms/div (X), DC range
- Turn the light switch to the TNS or ON position.
- Turn the panel light control switch to the brightest setting.
- Verify that the wave pattern is as shown in the figure.
- Turn the panel light control switch to the darkest position and verify that the wave pattern is as shown in the figure.