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Hazard Lamps Are Inoperative

PINPOINT TEST 1 - HAZARD LAMPS ARE INOPERATIVE

PINPOINT TEST 1 THE HAZARD LAMPS ARE INOPERATIVE
STEP INSPECTION ACTION
1 CHECK THE TURN SIGNAL LAMP OPERATION
  • Key ON.
  • Place the multifunction switch in the LH or RH turn position.
  • Do the turn signals operate correctly? 
 Yes Go to step 2.
No See TURN SIGNAL LAMPS ARE INOPERATIVE .
2 CHECK THE HAZARD LAMPS
  • Turn on the hazard lamps.
  • Are the lamps illuminated but not flashing? 
 Yes Go to step 9.
No Go to step 3.
3 CHECK CIRCUIT W/R FOR A SHORT TO GROUND
  • Listen to the indicator flasher.
  • Is there a rapid clicking sound coming continuously from the indicator flasher? 
 Yes Repair the circuit. Test the system for normal operation.
No Go to step 4.
4 CHECK THE VOLTAGE TO THE INDICATOR FLASHER RELAY
  • Disconnect: Indicator Flasher Relay 0918-513.
  • Measure the voltage between the indicator flasher relay 0918-513 pin 85, circuit R/W, harness side and ground.
  • Is the voltage greater than 10 volts? 
 Yes Go to step 5.
No Go to step 6.
5 CHECK CIRCUIT W/R FOR AN OPEN
  • Disconnect: Multifunction Switch 0918-105.
  • Measure the resistance between the multifunction switch 0918-105 pin 3, circuit W/R, harness side and the indicator flasher relay 0918-513 pin 87A, circuit W/R, harness side.
  • Is the resistance less than 5 ohms? 
 Yes Go to step 7.
No Repair the circuit. Test the system for normal operation.
6 CHECK CIRCUIT R/W FOR AN OPEN
  • Disconnect: SJB J-2280b.
  • Key ON.
  • Measure the resistance between the indicator flasher relay 0918-513 pin 85, circuit R/W, harness side and the SJB J-2280b pin 21, circuit R/W, harness side.
  • Is the resistance less than 5 ohms? 
 Yes Go to step 8.
No Repair the circuit. Test the system for normal operation.
7 CHECK THE MULTIFUNCTION SWITCH
 Yes Install a new indicator flasher. Test the system for normal operation.
No Install a new multifunction switch. See MULTI-FUNCTION SWITCH REMOVAL/INSTALLATION .
8 CHECK FOR CORRECT SJB OPERATION
  • Key OFF.
  • Disconnect all SJB connectors.
  • Check for:
    • corrosion
    • pushed-out pins
  • Connect all SJB connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present? 
 Yes Install a new SJB. Test the system for normal operation.
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
9 CHECK THE MULTIFUNCTION SWITCH FOR A SHORT TO POWER
 Yes Go to step 10.
No Install a new multifunction switch. See MULTI-FUNCTION SWITCH REMOVAL/INSTALLATION . Test the system for normal operation.
10 CHECK THE CIRCUIT W/R FOR A SHORT TO POWER
  • Disconnect: Indicator Flasher Relay 0918-513.
  • Measure the voltage between the indicator flasher relay 0918-513 pin 30, circuit O/Y, harness side and ground.
  • Is any voltage present? 
 Yes Repair the circuit. Test the system for normal operation.
No Install a new indicator flasher relay. Test the system for normal operation.
G03731114
G03731115

See auxiliary relay box X-03 for relay location.
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G03731117
G03731118
G03731119
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