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Home >> Mazda >> 2007 >> B3000 Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Symptom Troubleshooting [Washer System And Wiper System] >> Pinpoint Test 6: The Washer Pump Is Inoperative >> Possible Causes
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Possible Causes

WASHER PUMP IS INOPERATIVE - PINPOINT TEST REFERENCE

PINPOINT TEST 6 THE WASHER PUMP IS INOPERATIVE
STEP INSPECTION ACTION
1 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCs)
  • Retrieve and document continuous DTCs.
  • Enter the following diagnostic mode on the scan tool:
    • Clear continuous DTCs
  • Enter the following diagnostic mode on the scan tool:
    • SJB wiper/washer self-test.
  • Are DTCs recorded? 
Yes If DTC B1458, carry out the washer relay component test. See table at the end of test. If the relay tests OK, go to next step. If DTC B1460, go to step 4.
No Carry out the washer relay component test. See table at the end of test. If the relay tests OK, go to step 5.
2 CHECK THE VOLTAGE TO THE WASHER PUMP RELAY COIL
  • Key in OFF position.
  • Disconnect: Washer pump relay
  • Key in ON position.
  • Measure the voltage between ground and washer pump relay pin 2, circuit (Y).
  • Is the voltage greater than 10 volts? 
Yes Go to next step.
No Repair circuit (Y) for an open. Test the system for normal operation.
3 CHECK CIRCUIT (L/W) FOR AN OPEN
  • Disconnect: SJB J-2280a.
  • Measure the resistance between washer pump relay pin 1, circuit (L/W) and SJB J-2280a pin 5, circuit (L/W).
  • Is the resistance less than 5 ohms? 
Yes Go to step 10.
No Repair circuit (L/W) for an open. Test the system for normal operation.
4 CHECK CIRCUIT (L/W) FOR A SHORT TO VOLTAGE
  • Key in OFF position.
  • Disconnect: Washer pump relay.
  • Disconnect: SJB J-2280a.
  • Key in ON position.
  • Measure the voltage between ground and washer pump relay pin 1, circuit (L/W).
  • Is voltage present? 
Yes Repair circuit (L/W) for a short to voltage. Test the system for normal operation.
No Go to step 10.
5 CHECK THE VOLTAGE TO THE WASHER PUMP RELAY SWITCH
  • Key in OFF position.
  • Disconnect: Washer pump relay
  • Key in ON position.
  • Measure the voltage between ground and washer pump relay pin 3, circuit (Y).
  • Is the voltage greater than 10 volts? 
Yes Go to next step.
No Repair circuit (Y) for an open. Test the system for normal operation.
6 CHECK THE WASHER PUMP
  • Key in OFF position.
  • Disconnect: Washer pump relay
  • Connect a fused jumper wire between washer pump relay pin 1, circuit (L/W) and washer pump relay pin 3, circuit (Y).
  • Key in ON position.
  • Does the washer pump motor operate? 
Yes Carry out the multi-function switch component test. See table at the end of test. If the switch tests OK, go to step 9.
No Go to next step.
7 CHECK THE GROUND TO THE WASHER PUMP MOTOR
  • Key in OFF position.
  • Disconnect: Washer pump 0919-102.
  • Measure the resistance between ground and washer pump motor 0919-102 pin 2, circuit (B/GY).
  • Is the resistance less than 5 ohms? 
Yes Go to next step.
No Repair circuit (B/GY) for an open. Test the system for normal operation.
8 CHECK CIRCUIT (GY) FOR AN OPEN
  • Measure the resistance between washer pump relay pin 3, circuit (GY) and washer pump motor 0919-102 pin 1, circuit (GY).
  • Is the resistance less than 5 ohms? 
Yes Install a new washer pump. See WINDSHIELD WASHER PUMP AND RESERVOIR -- 3.0L AND 4.0L or WINDSHIELD WASHER PUMP AND RESERVOIR -- 2.3L . Test the system for normal operation.
No Repair circuit (GY) for an open. Test the system for normal operation.
9 CHECK CIRCUIT (W/B) FOR AN OPEN
  • Key in OFF position.
  • Disconnect: SJB J-2280d.
  • Disconnect: Multifunction switch 0918-104.
  • Measure the resistance between multi-function switch 0918-104 pin 5, circuit (GY/BR) and SJB J-2280d pin 19, circuit (GY/BR).
  • Is the resistance less than 5 ohms? 
Yes Go to next step.
No Repair circuit (GY/BR) for an open. Test the system for normal operation.
10 CHECK FOR CORRECT SJB OPERATION
  • Disconnect all SJB connectors.
  • Check for:
    • corrosion.
    • damaged pins.
    • pushed-out pins.
  • Connect all the 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. See SMART JUNCTION BOX (SJB) , .
Clear the DTCs, Repeat the self-test.
No The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. Clear the DTCs. Repeat the self-test.

Washer Relay Component Test 

WASHER RELAY COMPONENT TEST

Circuit to test Connect ohmmeter to terminals A good relay indicates
Coil 1 and 2 63-102 ohms
Contact 3 and 4 Closed circuit
Contact 3 and 5 Open circuit
Coil-Contact 1 and 3 Open circuit
Coil-Contact 1 and 4 Open circuit
Coil-Contact 1 and 5 Open circuit

Multifunction Switch, Wiper/Washer Portion Component Test 

MULTIFUNCTION SWITCH, WIPER/WASHER PORTION COMPONENT TEST

Circuit to test Connect ohmmeter to terminals Move switch to these positions A good switch indicates
Front washer switch circuit 5 and 6 Front washer Closed circuit
Front washer switch circuit 5 and 6 Off Open circuit
Front washer switch circuit 5 and 6 Front washer Closed circuit
Front wiper switch circuit 1 and 6 Off Open circuit
Front washer switch circuit 1 and 6 Low Closed circuit
Front washer switch circuit 1 and 6 High Closed circuit
Front washer switch circuit 4 and 6 Off Open circuit
Front washer switch circuit 4 and 6 Low Open circuit
Front washer switch circuit 4 and 6 High Closed circuit
Front washer switch circuit 2 and 6 Off Open circuit
Front washer switch circuit 2 and 6 Low Closed circuit
Front washer switch circuit 2 and 6 High Closed circuit
Intermittent wiper circuit, front 1 and 6 Interval 1 Closed circuit
Intermittent wiper circuit, front 1 and 6 Interval 2 Closed circuit
Intermittent wiper circuit, front 1 and 6 Interval 3 Open circuit
Intermittent wiper circuit, front 1 and 6 Interval 4 Open circuit
Intermittent wiper circuit, front 1 and 6 Interval 5 Open circuit
Intermittent wiper circuit, front 3 and 6 Interval 1 Open circuit
Intermittent wiper circuit, front 3 and 6 Interval 2 Closed circuit
Intermittent wiper circuit, front 3 and 6 Interval 3 Closed circuit
Intermittent wiper circuit, front 3 and 6 Interval 4 Closed circuit
Intermittent wiper circuit, front 3 and 6 Interval 5 Open circuit
Intermittent wiper circuit, front 2 and 6 Interval 1 Open circuit
Intermittent wiper circuit, front 2 and 6 Interval 2 Open circuit
Intermittent wiper circuit, front 2 and 6 Interval 3 Open circuit
Intermittent wiper circuit, front 2 and 6 Interval 4 Closed circuit
Intermittent wiper circuit, front 2 and 6 Interval 5 Closed circuit