TT Coupe L4-1.8L Turbo (ATC) (2001)
B -
If relay triggers, but Secondary Air Injection (AIR) pump does not run:
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Check voltage supply of Secondary Air Injection (AIR) pump motor.
Checking voltage supply of Secondary Air Injection (AIR) pump relay
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Remove Secondary Air Injection (AIR) pump relay
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Connect multimeter for voltage measurement as follows.
Relay carrier below cover, left
Measure to
at bulkhead terminal
2
Engine Ground
-
Specification: approx. battery voltage
If specified value is not obtained:
-
Perform the following tests:
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Check fuse S131(50 A) in main fuse box(battery
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Check wire connection from B+ (terminal 30) to fuse S131 for Secondary Air Injection (AIR) pump relay - J299 - (below cover left at bulkhead)
for open circuit
-
Connect multimeter for voltage measurement as follows.
Relay carrier below cover, left
Measure to
at bulkhead terminal
6
Engine Ground
-
Operate starter briefly (engine can also start).
-
Specification: approx. battery voltage
If specified value is not obtained:
-
Perform the following tests: