FAIL-SAFE Infiniti EX35 I

FAIL-SAFE

Combination meter performs fail-safe operation when unified meter and A/C amp. communication is malfunction.

Solution for communication error between the unified meter and A/C amp. and combination meter.

FAIL-SAFE CHART

UNIFIED METER AND A/C AMP PHYSICAL VALUES Terminal No. (Wire color) Description Condition Value (Approx.) + - Signal name Input/Output 5 (L) Ground Manual mode shift up signal Input Ignition switch ON Selector lever UP operation 0 V Other than the above 12 V 7 (GR) Ground Communication signal (AMP. --> METER) Output Ignition switch ON - 8 (L) Ground Vehicle speed signal (2-pulse) Output Ignition switch ON Speedometer operated [When vehicle speed is approx. 40 km/h (25 MPH)] NOTE: The maximum voltage varies depending on the specification (destination unit). 9 (SB) Ground Seat belt buckle switch signal (driver side) Input Ignition switch ON When seat belt is fastened 12 V When seat belt is not fastened 0 V 10 (W) Ground Manual mode signal Input Ignition switch ON Selector lever DS position 0 V Other than the above 12 V 11 (G) Ground Not manual mode signal Input Ignition switch ON Selector lever DS position 12 V Other than the above 0 V 14 (BR) Ground Communication signal (LCD --> AMP.) Input Ignition switch ON - 25 (V) Ground Manual mode shift down signal Input Ignition switch ON Selector lever down operation 0 V Other than the above 12 V 27 (LG) Ground Communication signal (METER --> AMP.) Input Ignition switch ON - 28 (R) Ground Vehicle speed signal (8-pulse) Output Ignition switch ON Speedometer operated [When vehicle speed is approx. 40 km/h (25 MPH)] NOTE: The maximum voltage varies depending on the specification (destination unit). 30 (V) Ground Parking brake switch signal Input Ignition switch ON Parking brake is applied 0 V Parking brake is released 34 (Y) Ground Communication signal (AMP. --> LCD) Output Ignition switch ON - 41 (V) Ground ACC power supply Input Ignition switch ACC - Battery voltage 42 (Y) Ground Fuel level sensor signal Input Ignition switch ON - 45 (P) Ground Ambient sensor signal Input - - 53 (G) Ground Ignition signal Input Ignition switch ON - Battery voltage 54 (Y) Ground Battery power supply Input Ignition switch OFF - Battery voltage 55 (B) Ground Ground - Ignition switch ON - 0 V 56 (L) Ground CAN-H - - - - 57 (W) Ground Brake fluid level switch signal Input Ignition switch ON Brake fluid level is normal. 5 V The brake fluid level is lower than the low level 0 V 58 (BR) Ground Fuel level sensor signal ground - Ignition switch ON - 0 V 61 (BR) Ground Ambient sensor signal ground - Ignition switch ON - 0 V 71 (B) Ground Ground - Ignition switch ON - 0 V 72 (P) Ground CAN-L

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The unified meter and A/C amp. activates the fail-safe control if CAN communication with each unit is malfunctioning.

FAIL-SAFE CHART

BCM PHYSICAL VALUES Terminal No. (Wire color) Description Condition Value (Approx.) + - Signal name Input/Output 1 (W) Ground Battery power supply Input Ignition switch OFF Battery voltage 2 (Y) Ground P/W power supply (BAT) Output Ignition switch OFF Battery voltage 3 (O) Ground P/W power supply (RAP) Output Ignition switch ON Battery voltage 4 (LG) Ground Interior room lamp power supply Output Interior room lamp battery saver is activated. (Cuts the interior room lamp power supply) 0 V Interior room lamp battery saver is not activated. (Outputs the interior room lamp power supply) Battery voltage 5 (L) Ground Passenger door UNLOCK Output Passenger door UNLOCK (Actuator is activated) Battery voltage Other than UNLOCK (Actuator is not activated) 0 V 7 (Y) Ground Step lamp Output Step lamp ON 0 V OFF Battery voltage 8 (V) Ground All doors, fuel lid LOCK Output All doors LOCK (Actuator is activated) Battery voltage Other than LOCK (Actuator is not activated) 0 V 9 (G) Ground Driver door, fuel lid UNLOCK Output Driver door UNLOCK (Actuator is activated) Battery voltage Other than UNLOCK (Actuator is not activated) 0 V 10 (BR) Ground Rear RH door and rear LH door UNLOCK Output Rear RH door and rear LH door UNLOCK (Actuator is activated) Battery voltage Other than UNLOCK (Actuator is not activated) 0 V 11 (R) Ground Battery power supply Input Ignition switch OFF Battery voltage 13 (B) Ground Ground - Ignition switch ON 0 V 14 (W) Ground Push-button ignition switch illumination ground Output Tail lamp OFF 0 V ON NOTE: When the illumination brightening/dimming level is in the neutral position 15 (Y) Ground ACC indicator lamp Output Ignition switch OFF or ON Battery voltage ACC 0 V 17 (W) Ground Turn signal RH (Front) Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch RH 6.5 V 18 (O) Ground Turn signal LH (Front) Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch LH 6.5 V 19 (V) Ground Room lamp timer control Output Interior room lamp OFF Battery voltage ON 0 V 20 (V) Ground Turn signal RH (Rear) Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch RH 6.5 V 23 (G) Ground Back door open Output Back door OPEN (Back door opener actuator is activated) Battery voltage Other than OPEN (Back door opener actuator is not activated) 0 V 25 (G) Ground Turn signal LH (Rear) Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch LH 6.5 V 26 (G) Ground Rear wiper Output Rear wiper OFF (Stopped) 0 V ON (Operated) Battery voltage 34 (SB) Ground Luggage room antenna (-) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 35 (V) Ground Luggage room antenna (+) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 38 (B) Ground Back door antenna (-) Output When the back door opener request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 39 (W) Ground Back door antenna (+) Output When the back door opener request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 47 (Y) Ground Ignition relay (IPDM E/R) control Output Ignition switch OFF or ACC Battery voltage ON 0 V 52 (SB) Ground Starter relay control Output Ignition switch ON When selector lever is in P or N position Battery voltage When selector lever is not in P or N position 0 V 61 (W) Ground Back door opener request switch Input Back door opener request switch ON (Pressed) 0 V OFF (Not pressed) 1.0 V 64 (V) Ground Intelligent Key warning buzzer (Engine room) Output Intelligent Key warning buzzer (Engine room) Sounding 0 V Not sounding Battery voltage 65 (O) Ground Rear wiper stop position Input Rear wiper In stop position 1.0 V Not in stop position 0 V 66 (R) Ground Back door switch Input Back door switch OFF (Door close) 11.8 V ON (Door open) 0 V 67 (G) Ground Back door opener switch Input Back door opener switch Pressed 0 V Not pressed 11.8 V 68 (BR) Ground Rear RH door switch Input Rear RH door switch OFF (Door close) 11.8 V ON (Door open) 0 V 69 (R) Ground Rear LH door switch Input Rear LH door switch OFF (Door close) 11.8 V ON (Door open) 0 V 72 (R) Ground Room antenna 2 (-) (Center console) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 73 (G) Ground Room antenna 2 (+) (Center console) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 74 (SB) Ground Passenger door antenna (-) Output When the passenger door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 75 (GR) Ground Passenger door antenna (+) Output When the passenger door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 76 (V) Ground Driver door antenna (-) Output When the driver door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 77 (LG) Ground Driver door antenna (+) Output When the driver door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area When Intelligent Key is not in the antenna detection area 78 (Y) Ground Room antenna 1 (-) (Instrument panel) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 79 (BR) Ground Room antenna 1 (+) (Instrument panel) Output Ignition switch OFF When Intelligent Key is in the passenger compartment When Intelligent Key is not in the passenger compartment 80 (GR) Ground NATS antenna amp (Built in key slot) Input/Output During waiting Ignition switch is pressed while inserting the key into the key slot. Just after pressing ignition switch. Pointer of tester should move. 81 (W) Ground NATS antenna amp (Built in key slot) Input/Output During waiting Ignition switch is pressed while inserting the key into the key slot. Just after pressing ignition switch. Pointer of tester should move. 82 (R) Ground Ignition relay [Fuse block (J/B)] control Output Ignition switch OFF or ACC 0 V ON Battery voltage 83 (Y) Ground Remote keyless entry receiver communication Input/Output During waiting When operating either button on the key 87 (BR) Ground Combination switch INPUT 5 Input Combination switch All switches OFF (Wiper intermittent dial 4) 1.4 V Front fog lamp switch ON (Wiper intermittent dial 4) 1.3 V Rear wiper switch ON (Wiper intermittent dial 4) 1.3 V Any of the conditions below with all switches OFF Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 6 Wiper intermittent dial 7 1.3 V 88 (V) Ground Combination switch INPUT 3 Input Combination switch All switches OFF (Wiper intermittent dial 4) 1.4 V Lighting switch HI (Wiper intermittent dial 4) 1.3 V Lighting switch 2ND (Wiper intermittent dial 4) 1.3 V Rear washer switch ON (Wiper intermittent dial 4) 1.3 V Any of the conditions below with all switches OFF Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 3 1.3 V 89 (BR) Ground Push-button ignition switch (Push switch) Input Push-button ignition switch (push switch) Pressed 0 V Not pressed Battery voltage 90 (P) Ground CAN-L Input/Output - - 91 (L) Ground CAN-H Input/Output - - 92 (LG) Ground Key slot illumination Output Key slot illumination OFF 0 V Blinking 6.5 V ON Battery voltage 93 (V) Ground ON indicator lamp Output Ignition switch OFF or ACC Battery voltage ON 0 V 94 (Y) Ground Puddle lamp control Output Puddle lamp OFF Battery voltage ON 0 V 95 (O) Ground ACC relay control Output Ignition switch OFF 0 V ACC or ON Battery voltage 96 (GR) Ground Control device (Detention switch) power supply Output - Battery voltage 97 (L) Ground Steering lock condition No. 1 Input Steering lock LOCK status 0 V UNLOCK status Battery voltage 98 (P) Ground Steering lock condition No. 2 Input Steering lock LOCK status Battery voltage UNLOCK status 0 V 99 (R) Ground Selector lever P position switch Input Selector lever P position 0 V Any position other than P Battery voltage 100 (G) Ground Passenger door request switch Input Passenger door request switch ON (Pressed) 0 V OFF (Not pressed) 1.0 V 101 (SB) Ground Driver door request switch Input Driver door request switch ON (Pressed) 0 V OFF (Not pressed) 1.0 V 102 (O) Ground Blower fan motor relay control Output Ignition switch OFF or ACC 0 V ON Battery voltage 103 (LG) Ground Remote keyless entry receiver power supply Output Ignition switch OFF Battery voltage 106 (W) Ground Steering lock unit power supply Output Ignition switch OFF or ACC Battery voltage ON 0 V 107 (LG) Ground Combination switch INPUT 1 Input Combination switch (Wiper intermittent dial 4) All switches OFF 1.4 V Turn signal switch LH 1.3 V Turn signal switch RH 1.3 V Front wiper switch LO 1.3 V Front washer switch ON 1.3 V 108 (R) Ground Combination switch INPUT 4 Input Combination switch All switches OFF (Wiper intermittent dial 4) 1.4 V Lighting switch AUTO (Wiper intermittent dial 4) 1.3 V Lighting switch 1ST (Wiper intermittent dial 4) 1.3 V Rear wiper switch INT (Wiper intermittent dial 4) 1.3 V Any of the conditions below with all switches OFF Wiper intermittent dial 1 Wiper intermittent dial 5 Wiper intermittent dial 6 1.3 V 109 (Y) Ground Combination switch INPUT 2 Input Combination switch (Wiper intermittent dial 4) All switches OFF 1.4 V Lighting switch PASS 1.3 V Lighting switch 2ND 1.3 V Front wiper switch INT 1.3 V Front wiper switch HI 1.3 V 110 (G) Ground Hazard switch Input Hazard switch ON 0 V OFF 1.1 V 111 (Y) Ground Steering lock unit communication Input/Output Steering lock LOCK status Battery voltage LOCK or UNLOCK For 15 seconds after UNLOCK Battery voltage 15 seconds or later after UNLOCK 0 V 113 (P) Ground Optical sensor Input Ignition switch ON When bright outside of the vehicle Close to 5 V When dark outside of the vehicle Close to 0 V 116 (SB) Ground Stop lamp switch 1 Input - Battery voltage 118 (P) Ground Stop lamp switch 2 (Without ICC) Input Stop lamp switch OFF (Brake pedal is not depressed) 0 V ON (Brake pedal is depressed) Battery voltage Stop lamp switch 2 (With ICC) Stop lamp switch OFF (Brake pedal is not depressed) and ICC brake hold relay OFF 0 V Stop lamp switch ON (Brake pedal is depressed) or ICC brake hold relay ON Battery voltage 119 (SB) Ground Front door lock assembly driver side (Unlock sensor) Input Driver door LOCK status (Unlock sensor switch OFF) 1.1 V UNLOCK status (Unlock switch sensor ON) 0 V 121 (BR) Ground Key slot switch Input When the key is inserted into key slot Battery voltage When the key is not inserted into key slot 0 V 123 (W) Ground IGN feedback Input Ignition switch OFF or ACC 0 V ON Battery voltage 124 (LG) Ground Passenger door switch Input Passenger door switch OFF (Door close) 11.8 V ON (Door open) 0 V 132 (V) Ground Power window switch communication Input/Output Ignition switch ON 10.2 V Ignition switch OFF or ACC Battery voltage 133 (W) Ground Push-button ignition switch illumination Output Push-button ignition switch illumination ON (Tail lamps OFF) 9.5 V ON (Tail lamps ON) NOTE: The pulse width of this wave is varied by the illumination brightening/dimming level. OFF 0 V 134 (GR) Ground LOCK indicator lamp Output LOCK indicator lamp OFF Battery voltage ON 0 V 137 (O) Ground Receiver and sensor ground Input Ignition switch ON 0 V 138 (Y) Ground Receiver and sensor power supply Output Ignition switch OFF 0 V ACC or ON 5.0 V 139 (L) Ground Tire pressure receiver communication Input/Output Ignition switch ON Standby state When receiving the signal from the transmitter 140 (GR) Ground Selector lever P/N position Input Selector lever P or N position Battery voltage Except P and N positions 0 V 141 (G) Ground Security indicator Output Security indicator ON 0 V Blinking 11.3 V OFF Battery voltage 142 (O) Ground Combination switch OUTPUT 5 Output Combination switch (Wiper intermittent dial 4) All switches OFF 0 V Lighting switch 1ST 10.7 V Lighting switch HI Lighting switch 2ND Turn signal switch RH 143 (P) Ground Combination switch OUTPUT 1 Output Combination switch All switches OFF (Wiper intermittent dial 4) 0 V Front wiper switch HI (Wiper intermittent dial 4) 10.7 V Rear wiper switch INT (Wiper intermittent dial 4) Any of the conditions below with all switches OFF Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 3 Wiper intermittent dial 6 Wiper intermittent dial 7 144 (G) Ground Combination switch OUTPUT 2 Output Combination switch All switches OFF (Wiper intermittent dial 4) 0 V Front washer switch ON (Wiper intermittent dial 4) 10.7 V Rear wiper switch ON (Wiper intermittent dial 4) Rear washer switch ON (Wiper intermittent dial 4) Any of the conditions below with all switches OFF Wiper intermittent dial 1 Wiper intermittent dial 5 Wiper intermittent dial 6 145 (L) Ground Combination switch OUTPUT 3 Output Combination switch (Wiper intermittent dial 4) All switches OFF 0 V Front wiper switch INT 10.7 V Front wiper switch LO Lighting switch AUTO 146 (SB) Ground Combination switch OUTPUT 4 Output Combination switch (Wiper intermittent dial 4) All switches OFF 0 V Front fog lamp switch ON 10.7 V Lighting switch 2ND Lighting switch PASS Turn signal switch LH 149 (W) Ground Tire pressure warning check switch Input Ignition switch ON 11.8 V 150 (LG) Ground Driver door switch Input Driver door switch OFF (Door close) 11.8 V ON (Door open) 0 V 151 (G) Ground Rear window defogger relay control Output Rear window defogger Active 0 V Not activated Battery voltage

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