RS 6 V8-4.2L Turbo (BCY) (2003)
Display on VAS 5051:
A - Actuator test is waiting - Continued switching required
3 - Secondary Air Injection (AIR) Pump Relay -J299-
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Press the (arrow) button.
Display on VAS 5051:
A - Actuator is running - Continued switching allowed
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Secondary air pump relay (position 1 on 3-way relay carrier in electronics box in plenum chamber) should activate and Secondary Air
Injection (AIR) Pump Motor -V1 01 - should run at intervals.
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Press the (arrow) button to exit from function "03 - Final control diagnosis".
A - If relay does not activate:
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Test voltage supply of secondary air pump relay.
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Test activation of secondary air pump relay.
B - If relay activates but secondary air pump motor does not run:
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Test voltage supply of secondary air pump motor.
Testing voltage supply of secondary air pump relay
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Switch ignition off.
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Remove rubber seal from plenum chamber in direction of (arrow).
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Remove plenum chamber cover -1- from front.