Vauxhall Workshop Service and Repair Manuals

Trouble-shooting:                                 Nominal Value:                  Cause of Fault:

(If nominal value is not attained)

Ignition ON

· Measure voltage at                                             12V                                                  · Lead interruptions from control unit Ter. 37

- Control unit Ter. 37                                                                                                     or from fuel pump relay Ter. 87

- Injection valve plug Ter. 1                                                                                        to injection valve

· Disconnect all injection valve plugs                Checking lamp flashes                · Interruption or short circuit to ground of cables from

Connect Checking Lamp KM 602-1 to all       on all cables                                      - Injection valve cyl. 1/2 or 1/2/3 to

injector plug cables one after                           when engine is started                       control unit Ter. 16

the other and start engine                                                                                             - Injection valve cyl. 3/4 or 4/5/6 to

control unit Ter. 17

· Control unit defective

Injection valve resistance value                         If nominal values are attained    · Injection valve defective

at room temperature: approx. 16 ohms

Note:

C 30 SE engine: Separate plug X 34

Measure Ter. A to B; Ter. A to C:                  5 to 5.7 W

Ignition ON

Wiring harness side Ter. A to ground           12 V