Passat L4-1984cc 2.0L DOHC (9A) (1990)
See Figure for Example:
Ignition timing point, checking/adjusting
Checking
Requirement:
^ engine oil temperature 80~C (176~F) minimum
^ connect VAG 1367 engine tester using inductive pickup VAG 1367/8
CAUTION
Be sure TDC sensor is fully seated into transmission housing.
^ connect VAG 1551 diagnostic tester using adaptor cable VAG 155111 as follows