0326995 JOHNSON WATER TUBE, Long

Illustration 1 g01597037
Typical example
Illustration 2 g01322302
Terminal locations for the following connectors P-C1/A-C90 Connector for the power distribution panel, A-C2/J-C2 RH rigid harness connector and C-C2/J-C1 LH rigid harness connectors
(Terminal G) Drive for the air shutoff switch F708-BK(Black)
(Terminal H) Return for the air shutoff solenoid H708-BK(Black)
(Terminal I) Drive for the air shutoff solenoid G708-BK(Black)
Illustration 3 g01337991
Connector locations
(1) A-C1/E-C2 RH rigid harness connectors
(2) A-C2/J-C2 RH rigid harness connectors
(3) P-C1/A-C90 Connectors for the power distribution panel
(4) P-C2/A-C91 Connectors for the power distribution panel
(5) G-C6/F-C2/F-C1/A-C92 Connectors for a RH Control panel
(6) C-C22 Connection for the P2 ECM connector
(7) C-C15 Connection for the P1 ECM connector
(8) G-C6/F-C2/F-C1/C-C17 Connectors for a LH Control panel
(9) C-C18/TB-C1 Customer connectors
(10) C-C2/J-C1 LH rigid harness connectors
(11) C-C1/E-C1 LH rigid harness connectors Test Step 1. Inspect the Electrical Connectors and the Wiring
Verify that the circuit breakers are not tripped.
Turn the circuit breaker for the battery to the OFF position.
Turn the ECS to the OFF/RESET position.
Thoroughly inspect the ECM connectors J1/P1 and J2/P2. Inspect all of the other connectors in the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connectors that are associated with the circuit.
Check the allen head screw on each ECM connector for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
Check the harness and the wiring for abrasion and for pinch points. Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted, and the harness and wiring are free of corrosion, of abrasion, and of pinch points.Results:
OK - The connectors and wiring are OK. Proceed to Test Step 2.
Not OK - The connectors and/or wiring are not OK.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 2. Test the Circuit for the Local Emergency Stop
Turn the circuit breaker for the battery to the ON position.
Turn the ECS to the STOP position.
Activate the local emergency stop switch on the instrument panel.
Monitor the air shutoff solenoids.
Deactivate the local emergency stop switch. Expected Result:The air shutoff solenoids activated.Results:
OK - The air shutoff solenoids activated correctly.Repair: The problem may be intermittent. If the problem is intermittent, refer to Troubleshooting, "Electrical Connectors - Inspect".STOP
Not OK - The air shutoff solenoids failed to activate. Proceed to Test Step 3.Test Step 3. Check for the Voltage from the "ASOS" at the Connector P-C1/A-C90 for the Power Distribution Panel
Turn the ECS to the STOP position.
Remove wire G708 from terminal "I" of connector P-C1.
Reconnect the P-C1/A-C90 connector.
Activate the local emergency stop switch.
Monitor the voltage on the wire G708.
Deactivate the local emergency stop switch.
Return all wiring to the original configuration. Expected Result:The voltage measures 24 3 VDC for approximately 2.5 seconds.Results:
OK - The voltage measures 24 3 VDC for approximately 2.5 seconds. The circuit is operating correctly to this point. Proceed to Test Step 9.
Not OK - The voltage did not measure 24 3 VDC for approximately 2.5 seconds. Proceed to Test Step 4.Test Step 4. Test for Voltage to the Coil of Relay "R4" at the Power Distribution Panel
Remove wire 354 from terminal "B" of connector A-C91.
Turn the ECS to the STOP position.
Activate the local emergency stop switch.
Monitor the voltage on wire 354.
Deactivate the local emergency stop switch.
Return all wiring to the original configuration. Expected Result:The voltage measures 24 3 VDC.Results:
OK - The voltage measures 24 3 VDC. The circuit is operating correctly to this point. Proceed to Test Step 5.
Not OK - No voltage was measured. Proceed to Test Step 11.Test Step 5. Check the Voltage to Terminal 1 of "DIODE_1_2".
Turn the ECS to the OFF/RESET position.
Remove wire 354 from terminal 1 of the connector for "DIODE_1_2".
Connect a voltmeter between wire 354 and the engine ground.
Turn the ECS to the STOP position.
Activate the local emergency stop switch.
Monitor the voltage on the voltmeter.
Deactivate the local emergency stop switch.
Return all wiring to the original configuration. Results:
OK - The voltage measures 24 3 VDC. Proceed to Test Step 6.
Not OK - The voltage did not measure 24 3 VDC.Repair: Repair the wire 354-BK(Black) (between the diode and terminal B of connector A-C91).STOPTest Step 6. Check the Voltage at Terminal 4 of "DIODE_1_2"
Turn the ECS to the OFF/RESET position.
Remove wire T120 from terminal 4 of the connector for "DIODE_1_2".
Connect a voltmeter between terminal 4 and the engine ground.
Turn the ECS to the STOP position.
Activate the local emergency stop switch.
Monitor the voltage on the voltmeter.
Deactivate the local emergency stop switch.
Return all wiring to the original configuration. Results:
OK - The voltage measures 24 3 VDC. Proceed to Test Step 7.
Not OK - The voltage did not measure 24 3 VDC.Repair: Replace "DIODE_1_2"STOPTest Step 7. Test for Voltage at the Coil of the "ASOS"
Turn the ECS to the OFF/RESET position.
The input to the coil of the "ASOS" is wire T708 from the timer. Remove wire T708 from the coil of the "ASOS". Connect a voltmeter between wire T708 and the engine ground.