LED Lights, But No DTC's Displayed (Including 1-1-1)

Fault Source
1. Open circuit/short circuit to ground of diagnostic test lead (pin 29 in crash sensor connector).
2. Crash sensor fault.

Action
1. Check diagnostic signal from crash sensor as follows:
a. Turn ignition switch to On position, then disconnect test lead from socket B5.
b. Connect a voltmeter between ground and socket 5 in diagnostic unit B. Voltmeter should indicate approximately 10V. If reading is correct, replace diagnostic module. If reading is incorrect, check lead between pin 29 in crash sensor connector and socket 5 on diagnostic module B for open circuit or short circuit to ground.