DEFINITION: This test checks the condition of the inflator timer-relay and the surrounding circuits.

1. Turn the ignition ON.
2. Put the inflator switch in the ON position.
3. Put the inflator switch in the OFF position.

Does the air compressor operate and then stop?

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Go to Inflator Solenoid Valve Test

Go to Step 2

1. Disconnect the connector from the inflator timer-relay.
2. Measure the voltage at connector (harness side) terminal E.

Is battery voltage present?

B+

Go to Step 4

Go to Step 3

Repair the open circuit condition in one of the following circuits/components:

Is the repair or replacement complete?

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Go to Automatic Level Control System Operation Check

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Measure the voltage at connector (harness side) terminal D.

Is battery voltage present?

B+

Go to Step 6

Go to Step 5

Repair the open circuit condition in CKT 1042 (RED) between the inflator timer relay and the RH MaxiFuse® block.

Is the repair complete?

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Go to Automatic Level Control System Operation Check

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Check for continuity between the connector (harness side) terminal H and ground.

Is continuity present?

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Go to Step 8

Go to Step 7

Repair the open circuit condition in CKT 1250 (BLK).

Is the repair complete?

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Go to Automatic Level Control System Operation Check

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1. Hold the inflator switch in the OFF position.
2. Check for continuity between the connector (harness side) terminal A and ground.

Is continuity present?

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Go to Step 9

Go to Inflator Switch Test

1. Hold the inflator switch in the ON position.
2. Check for continuity between the connector (harness side) terminal F and ground.

Is continuity present?

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Go to Step 10

Go to Inflator Switch Test

Replace the inflator timer-relay.

Is the replacement complete?

Go to Automatic Level Control System Operation Check

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